University of the Witwatersrand, Johannesburg

South Africa

Total Researchers: 450

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Rank in this institute	World rank	Scientist	Sub-field	Rank in sub-field
1	6,313	Torsvik, Trond H.	Geochemistry & Geophysics	Rank 76
2	9,144	Michael, Joseph P.	Organic Chemistry	Rank 188
3	9,890	Burawoy, Michael	Sociology	Rank 21
4	15,853	Scholes, Robert J.	Ecology	Rank 292
5	16,209	Naldrett, Anthony J.	Geochemistry & Geophysics	Rank 263
6	18,684	Owen-Smith, R. Norman	Ecology	Rank 344
7	19,605	Mbembé, Achille	Anthropology	Rank 12
8	22,212	Dorrell, David G.	Electrical & Electronic Engineering	Rank 57
9	26,639	Çelik, Turgay	Artificial Intelligence & Image Processing	Rank 577
10	30,745	Forbes, Andrew	Optoelectronics & Photonics	Rank 64
11	31,699	Wadley, Lyn	Archaeology	Rank 21
12	35,687	Manderson, Lenore H.	Public Health	Rank 343
13	38,128	Smith, R. M.H.	Paleontology	Rank 108
14	38,724	Coovadia, Hoosen Mahomed	General & Internal Medicine	Rank 523
15	39,894	Richter, Linda M.	Public Health	Rank 381
16	54,223	Cawthorn, Richard Grant	Geochemistry & Geophysics	Rank 935
17	55,004	Ozoemena, Kenneth Ikechukwu	Energy	Rank 722
18	55,470	Nabarro, F. R.N.	Materials	Rank 737
19	55,805	Yoshinaga-Itano, Christine	Otorhinolaryngology	Rank 95
20	56,339	O'Connor, Timothy Gordon	Ecology	Rank 987
21	61,721	Witkowski, Ed Tadeusz Fernando	Ecology	Rank 1,075
22	66,518	McCarthy, Terrence Sinclair	Geology	Rank 84
23	67,021	Archibald, Sally A.	Ecology	Rank 1,158
24	69,652	Henshilwood, Christopher Stuart	Archaeology	Rank 51
25	72,973	Bothwell, Thomas H.	General & Internal Medicine	Rank 912
26	76,039	Ashwal, Lew D.	Geochemistry & Geophysics	Rank 1,338
27	81,630	McLachlan, David S.	Applied Physics	Rank 2,037
28	83,713	Hart, Gillian	Geography	Rank 328
29	85,544	Kramvis, Anna	Virology	Rank 668
30	87,059	Naicker, Saraladevi	Urology & Nephrology	Rank 941
31	87,627	Wilson, Allan H.	Geochemistry & Geophysics	Rank 1,538
32	93,058	Partridge, Timothy C.	Paleontology	Rank 362
33	96,911	Clarke, Ronald J.	Anthropology	Rank 124
34	100,879	Tobias, Phillip V.	Anthropology	Rank 130
35	103,425	Churchyard, Gavin John	Microbiology	Rank 2,572
36	106,691	Cooper, G. R.J.	Geochemistry & Geophysics	Rank 1,857
37	108,897	Knight, Jasper	Geography	Rank 439
38	111,455	Baker, Fiona C.	Neurology & Neurosurgery	Rank 6,910
39	111,800	Mitchell, Peter J.	Archaeology	Rank 91
40	116,090	Schradin, Carsten	Behavioral Science & Comparative Psychology	Rank 412
41	119,525	Every, Arthur G.	Applied Physics	Rank 3,101
42	119,784	Rubidge, Bruce Sidney	Paleontology	Rank 515
43	122,035	Lowther, John Edward	Applied Physics	Rank 3,160
44	127,498	Adom, Philip Kofi	Energy	Rank 1,828
45	132,279	Hofman, Karen J.	General & Internal Medicine	Rank 1,651
46	132,967	Janks, Hilary	Education	Rank 891
47	134,886	Coville, Neil John	Organic Chemistry	Rank 2,297
48	138,898	Stevens, Wendy Susan	Microbiology	Rank 3,403
49	138,909	Marques, Helder M.	Inorganic & Nuclear Chemistry	Rank 808
50	147,350	Colafrancesco, Sergio	Astronomy & Astrophysics	Rank 1,975
51	148,063	Wyndham, Cyril H.	General & Internal Medicine	Rank 1,860
52	149,621	Vincent, Katharine E.	Environmental Sciences	Rank 1,223
53	151,737	Neuse, Eberhard W.	Polymers	Rank 1,335
54	151,851	Hancock, Robert D.	Inorganic & Nuclear Chemistry	Rank 901
55	153,019	David J N Limebeer, David J.N.	Industrial Engineering & Automation	Rank 1,147
56	153,905	Booysen, Frikkie	Public Health	Rank 1,488
57	154,675	Huffman, Thomas Niel	Archaeology	Rank 153
58	158,499	Stacey, Thomas Richard	Mining & Metallurgy	Rank 63
59	159,300	Mellado Garcia, B. R.	Nuclear & Particle Physics	Rank 2,470
60	164,893	Southall, Roger Jonathan	Cultural Studies	Rank 53
61	165,567	Venter, Marietjie	Microbiology	Rank 3,995
62	166,937	Kruger, F. Johan	Geology	Rank 277
63	169,159	Lemmerer, Andreas	Inorganic & Nuclear Chemistry	Rank 1,008
64	174,261	Mahomed, Fazal Mahmood	Mathematical Physics	Rank 132
65	176,393	Norris, Shane A.	Nutrition & Dietetics	Rank 1,158
66	177,036	Steyn, Maryna M.	Legal & Forensic Medicine	Rank 72
67	191,522	Kara, Abdul Hamid	Nuclear & Particle Physics	Rank 2,980
68	198,764	Hofmeyr, Isabel	Literary Studies	Rank 46
69	199,429	Maringe, Felix	Education	Rank 1,490
70	203,684	Guidozzi, Franco F.	Obstetrics & Reproductive Medicine	Rank 1,942
71	206,109	Cleaton-Jones, P.	Dentistry	Rank 1,266
72	206,659	Skews, B.	Aerospace & Aeronautics	Rank 368
73	210,765	Metz, Jack	General & Internal Medicine	Rank 2,717
74	215,411	Anhaeusser, Carl R.	Geology	Rank 370
75	232,437	Prins, Johan F.	Applied Physics	Rank 6,301
76	237,641	Kumar, Pradeep	Pharmacology & Pharmacy	Rank 2,342
77	238,982	Chimuka, Luke	Environmental Sciences	Rank 2,120
78	240,827	Gomes, Chandima	Energy	Rank 3,779
79	241,911	Chazan, Michael	Archaeology	Rank 276
80	243,342	Jupp, Peter G.	Tropical Medicine	Rank 562
81	259,611	Lewis-Williams, J. David	Archaeology	Rank 317
82	270,680	Breckenridge, Keith Derek	Cultural Studies	Rank 119
83	279,267	Kuman, Kathleen A.	Archaeology	Rank 349
84	280,838	Schoub, Barry David	General & Internal Medicine	Rank 3,676
85	298,158	Gilbert, Leah	Dentistry	Rank 1,952
86	315,234	Hyslop, Jonathan	Cultural Studies	Rank 167
87	319,669	Nuttall, Sarah	Literary Studies	Rank 90
88	327,744	Markus, Miles B.	Tropical Medicine	Rank 768
89	348,467	Ndlovu, Sehliselo	Mining & Metallurgy	Rank 193
90	366,224	Moosa, Mohammed Rafique E.	General & Internal Medicine	Rank 4,889
91	369,115	MacPhail, Andrew Patrick	General & Internal Medicine	Rank 4,926
92	381,396	Witcomb, Michael J.	Materials	Rank 6,143
93	389,264	Scholes, Mary C.	Forestry	Rank 674
94	427,486	Clarke, Damian Luiz	Surgery	Rank 4,149
95	429,674	Yah, Clarence Suh	General & Internal Medicine	Rank 5,759
96	436,304	Newell, Marie Louise	General & Internal Medicine	Rank 5,860
97	463,868	Eriç, Rauf Hürman	Mining & Metallurgy	Rank 277
98	482,865	Buchmann, Eckhardt J.	General & Internal Medicine	Rank 6,541
99	489,116	Eisenhammer, Stephen	General & Internal Medicine	Rank 6,645
100	737,712	van der Merwe, J. Nielen	Mining & Metallurgy	Rank 567
101	877,752	Minnitt, Richard C.A.	Mining & Metallurgy	Rank 744
1	189	Sheldon, Roger A.	Organic Chemistry	Rank 2
2	8,413	Michael, Joseph P.	Organic Chemistry	Rank 174
3	10,144	Hofmeyr, G. Justus	General & Internal Medicine	Rank 165
4	15,249	Naldrett, Anthony J.	Geology	Rank 16
5	16,467	Scholes, Robert J.	Ecology	Rank 299
6	18,969	Owen-Smith, Norman	Ecology	Rank 342
7	20,886	Thomas, David S.G.	Geography	Rank 57
8	22,445	Mbembe, Achille	Anthropology	Rank 12
9	24,726	Dorrell, David George	Electrical & Electronic Engineering	Rank 60
10	30,656	Celik, Turgay	Artificial Intelligence & Image Processing	Rank 642
11	32,289	Wadley, Lyn	Archaeology	Rank 21
12	33,577	Madhi, Shabir A.	Microbiology	Rank 854
13	36,931	Coovadia, Hoosen M.	General & Internal Medicine	Rank 504
14	37,796	Ripamonti, Ugo	Dentistry	Rank 180
15	38,476	Raal, Frederick J.	Cardiovascular System & Hematology	Rank 1,513
16	38,843	Manderson, Lenore	Public Health	Rank 370
17	39,938	Byass, Peter	Tropical Medicine	Rank 72
18	43,579	Crundwell, F. K.	Mining & Metallurgy	Rank 10
19	43,848	Feldman, Charles	Respiratory System	Rank 434
20	44,083	Forbes, Andrew	Optics	Rank 173
21	44,879	Fine, Ben	Economics	Rank 381
22	47,031	Richter, Linda	Public Health	Rank 437
23	49,095	Pettifor, John	Endocrinology & Metabolism	Rank 1,108
24	54,257	O'Connor, Timothy	Ecology	Rank 923
25	56,432	Cawthorn, Richard Grant	Geochemistry & Geophysics	Rank 966
26	58,648	Ozoemena, Kenneth I.	Energy	Rank 738
27	61,041	Witkowski, Ed T.F.	Ecology	Rank 1,022
28	65,350	McCarthy, Terence	Geology	Rank 85
29	70,965	Henshilwood, Christopher Stuart	Archaeology	Rank 47
30	71,170	Bothwell, Thomas	General & Internal Medicine	Rank 904
31	73,544	Archibald, Sally	Ecology	Rank 1,233
32	76,007	Coetzee, Maureen	Tropical Medicine	Rank 151
33	78,095	Van Vuuren, S.	Medicinal & Biomolecular Chemistry	Rank 238
34	78,542	McLachlan, David S.	Applied Physics	Rank 2,016
35	78,842	Ashwal, Lewis D.	Geochemistry & Geophysics	Rank 1,365
36	79,725	Verstraete, Michel M.	Geological & Geomatics Engineering	Rank 357
37	79,747	Nabarro, F. R.N.	Materials	Rank 1,057
38	85,065	Manger, Paul R.	Neurology & Neurosurgery	Rank 5,524
39	86,153	Kramvis, Anna	Virology	Rank 677
40	86,222	Hart, Gillian	Development Studies	Rank 60
41	86,284	Naicker, Saraladevi	Urology & Nephrology	Rank 943
42	86,980	Partridge, Tim	Paleontology	Rank 352
43	87,497	Wilson, A.	Geochemistry & Geophysics	Rank 1,531
44	89,263	Parr, Catherine	Ecology	Rank 1,472
45	89,640	Shear, Mervyn	Dentistry	Rank 484
46	94,999	Clarke, Ronald	Anthropology	Rank 119
47	100,669	Tobias, Phillip V.	Anthropology	Rank 129
48	105,330	Potgieter, Johannes H.	Materials	Rank 1,426
49	111,438	Cooper, G. R.J.	Geochemistry & Geophysics	Rank 1,928
50	116,609	Lowther, J. E.	Applied Physics	Rank 3,113
51	117,588	Kleinschmidt, Immo	Tropical Medicine	Rank 249
52	117,608	Knight, Jasper	Geography	Rank 467
53	119,593	Rubidge, Bruce S.	Paleontology	Rank 538
54	119,794	Every, Arthur G.	Applied Physics	Rank 3,202
55	122,743	Berger, Lee R.	Anthropology	Rank 167
56	123,215	Bremner, C. G.	Surgery	Rank 1,076
57	123,227	Pickering, Travis	Anthropology	Rank 169
58	129,997	Coville, Neil J.	Organic Chemistry	Rank 2,253
59	130,694	Ramsay, Michele	Genetics & Heredity	Rank 686
60	135,651	Marques, Helder M.	Inorganic & Nuclear Chemistry	Rank 819
61	136,637	Hofman, Karen	General & Internal Medicine	Rank 1,740
62	137,751	Janks, Hilary	Education	Rank 862
63	142,703	Hancock, Robert D.	Inorganic & Nuclear Chemistry	Rank 876
64	143,495	Colafrancesco, Sergio	Astronomy & Astrophysics	Rank 1,935
65	144,345	Brouwer, Derk	Environmental & Occupational Health	Rank 125
66	145,401	Ali, M. Montaz	Operations Research	Rank 556
67	147,917	Neuse, E. W.	Polymers	Rank 1,306
68	148,728	Limebeer, D. J.N.	Industrial Engineering & Automation	Rank 1,107
69	150,321	Huffman, Thomas N.	Archaeology	Rank 144
70	157,072	Adom, Philip Kofi	Energy	Rank 2,197
71	159,565	Mellado, Bruce	Nuclear & Particle Physics	Rank 2,527
72	161,373	Kruger, F. J.	Geology	Rank 269
73	166,814	Lemmerer, Andreas	Inorganic & Nuclear Chemistry	Rank 1,030
74	169,855	Mahomed, F. M.	Mathematical Physics	Rank 135
75	171,186	Stacey, Thomas R.	Mining & Metallurgy	Rank 65
76	181,450	Southall, Roger	Cultural Studies	Rank 61
77	186,054	Steyn, Maryna	Legal & Forensic Medicine	Rank 74
78	186,096	Venter, Willem D.F.	General & Internal Medicine	Rank 2,402
79	197,475	Majozi, Thokozani	Chemical Engineering	Rank 1,017
80	198,149	Cleaton-Jones, Peter	Dentistry	Rank 1,210
81	201,872	Kara, A. H.	Nuclear & Particle Physics	Rank 3,186
82	210,992	Skews, Beric W.	Aerospace & Aeronautics	Rank 369
83	211,276	Anhaeusser, Carl	Geology	Rank 374
84	220,906	Hofmeyr, Isabel	Literary Studies	Rank 49
85	222,568	Prins, J. F.	Applied Physics	Rank 6,184
86	230,782	Pillay, Viness	Pharmacology & Pharmacy	Rank 2,288
87	238,514	Chandiwana, Steven	General & Internal Medicine	Rank 3,127
88	240,750	Jupp, Peter G.	Tropical Medicine	Rank 582
89	242,809	Simate, G.	Mining & Metallurgy	Rank 119
90	246,820	Chazan, M.	Archaeology	Rank 284
91	248,089	Chimuka, Luke	Analytical Chemistry	Rank 2,092
92	248,960	Arbuthnot, Patrick	Biotechnology	Rank 836
93	253,828	Maringe, Felix	Education	Rank 1,893
94	256,608	Lewis-Williams, J. David	Archaeology	Rank 312
95	261,393	Moys, Michael	Mining & Metallurgy	Rank 132
96	267,490	Kumar, Pradeep	Pharmacology & Pharmacy	Rank 2,685
97	269,239	Gomes, Chandima	Energy	Rank 4,115
98	276,941	Schoub, Barry D.	General & Internal Medicine	Rank 3,666
99	284,468	di Lernia, Savino	Archaeology	Rank 353
100	289,065	Kuman, Kathleen	Archaeology	Rank 360
101	292,615	Breckenridge, Keith	Cultural Studies	Rank 135
102	296,136	Brooke, Basil	Tropical Medicine	Rank 720
103	302,101	Richards, Guy A.	General & Internal Medicine	Rank 4,028
104	310,974	Isaäcson, Margaretha	General & Internal Medicine	Rank 4,163
105	319,743	Wurz, Sarah	Archaeology	Rank 407
106	322,868	Evans, Denise	General & Internal Medicine	Rank 4,347
107	328,884	Koornhof, Hendrik J.	General & Internal Medicine	Rank 4,455
108	344,502	Loveday, Philip W.	Mechanical Engineering & Transports	Rank 2,633
109	354,378	Nuttall, Sarah	Literary Studies	Rank 93
110	356,117	MacPhail, Patrick	General & Internal Medicine	Rank 4,805
111	362,233	Moosa, M.	General & Internal Medicine	Rank 4,886
112	366,829	Ndlovu, S.	Mining & Metallurgy	Rank 201
113	370,022	Witcomb, M. J.	Materials	Rank 5,820
114	439,612	Yah, C. S.	General & Internal Medicine	Rank 6,009
115	475,946	Kromberg, Jennifer	General & Internal Medicine	Rank 6,548
116	522,932	Kramer, Beverley	Anatomy & Morphology	Rank 141
117	765,620	van der Merwe, J. N.	Mining & Metallurgy	Rank 588
118	869,004	Minnitt, R. C.A.	Mining & Metallurgy	Rank 713
1	191	Sheldon, Roger A.	Organic Chemistry	Rank 2
2	8,001	Michael, Joseph P.	Organic Chemistry	Rank 167
3	10,231	Hofmeyr, G. J.	General & Internal Medicine	Rank 173
4	15,560	Naldrett, Anthony J.	Geology	Rank 15
5	16,535	Scholes, Robert J.	Ecology	Rank 292
6	19,388	Owen-Smith, Norman	Ecology	Rank 341
7	20,930	Thomas, David S.G.	Geography	Rank 55
8	26,691	Dorrell, David	Electrical & Electronic Engineering	Rank 61
9	26,939	Mbembé, Achille	Anthropology	Rank 18
10	32,911	Wadley, Lyn	Archaeology	Rank 20
11	33,341	Celik, Turgay	Artificial Intelligence & Image Processing	Rank 669
12	34,592	Guo, Bao Zhu	Industrial Engineering & Automation	Rank 270
13	34,877	Coovadia, Hoosen M.	General & Internal Medicine	Rank 471
14	43,351	Nabarro, F. R.N.	Materials	Rank 536
15	44,155	Crundwell, F. K.	Mining & Metallurgy	Rank 10
16	47,791	Richter, Linda	Public Health	Rank 446
17	53,663	O'Connor, Timothy Gordon	Ecology	Rank 904
18	55,839	Cawthorn, Richard Grant	Geochemistry & Geophysics	Rank 955
19	59,842	Forbes, Andrew	Optoelectronics & Photonics	Rank 194
20	60,755	Witkowski, Ed T.F.	Ecology	Rank 1,000
21	61,815	Ozoemena, Kenneth I.	Energy	Rank 744
22	66,441	Mccarthy, Terence Sinclair	Geology	Rank 82
23	68,030	Bothwell, Thomas	General & Internal Medicine	Rank 878
24	74,197	McLachlan, David S.	Applied Physics	Rank 1,963
25	75,992	Henshilwood, Christopher Stuart	Archaeology	Rank 50
26	77,222	Verstraete, Michel M.	Geological & Geomatics Engineering	Rank 316
27	78,078	Naicker, Saraladevi	Urology & Nephrology	Rank 868
28	78,270	Ashwal, Lewis D.	Geochemistry & Geophysics	Rank 1,364
29	83,003	Archibald, Sally	Ecology	Rank 1,335
30	84,836	Maton, Karl	Education	Rank 432
31	86,637	Partridge, Tim	Paleontology	Rank 354
32	90,201	Wilson, Allan	Geochemistry & Geophysics	Rank 1,582
33	92,364	Clarke, Ronald J.	Anthropology	Rank 112
34	94,972	Hart, Gillian	Development Studies	Rank 64
35	110,188	Lowther, J. E.	Applied Physics	Rank 2,985
36	115,599	Schradin, Carsten	Behavioral Science & Comparative Psychology	Rank 431
37	117,823	Bremner, C. G.	Surgery	Rank 1,061
38	117,954	Holliday, Trenton	Anthropology	Rank 149
39	118,862	Every, Arthur G.	Applied Physics	Rank 3,280
40	122,507	Rubidge, Bruce	Paleontology	Rank 564
41	123,277	Pickering, Travis Rayne	Anthropology	Rank 158
42	127,229	Coville, Neil J.	Organic Chemistry	Rank 2,256
43	129,601	Berger, Lee	Anthropology	Rank 171
44	132,336	Hancock, Robert D.	Inorganic & Nuclear Chemistry	Rank 838
45	133,182	Marques, Helder M.	Inorganic & Nuclear Chemistry	Rank 845
46	139,820	Ali, M. Montaz	Operations Research	Rank 525
47	141,268	Colafrancesco, Sergio	Astronomy & Astrophysics	Rank 1,923
48	141,356	Neuse, E. W.	Polymers	Rank 1,262
49	142,935	Limebeer, David J.N.	Industrial Engineering & Automation	Rank 1,046
50	146,281	Vogel, Coleen	Environmental Sciences	Rank 966
51	165,148	Huffman, Thomas N.	Archaeology	Rank 157
52	169,464	Mahomed, F. M.	Mathematical Physics	Rank 136
53	169,914	Lemmerer, Andreas	Inorganic & Nuclear Chemistry	Rank 1,082
54	170,141	Janks, Hilary	Education	Rank 1,064
55	170,563	Mitchell, Peter	Archaeology	Rank 167
56	176,219	Stacey, T. R.	Mining & Metallurgy	Rank 66
57	177,992	Bernal, Ivan	Inorganic & Nuclear Chemistry	Rank 1,141
58	188,865	Southall, Roger	Cultural Studies	Rank 58
59	192,418	Cleaton-Jones, Peter	Dentistry	Rank 1,181
60	205,083	Skews, Beric W.	Aerospace & Aeronautics	Rank 364
61	207,420	Luca, Florian	General Mathematics	Rank 1,402
62	208,887	Anhaeusser, Carl	Geology	Rank 354
63	210,199	Rees, Helen	General & Internal Medicine	Rank 2,748
64	211,291	Prins, J. F.	Applied Physics	Rank 6,013
65	211,829	Kara, A. H.	Nuclear & Particle Physics	Rank 3,414
66	236,509	Schoub, Barry D.	General & Internal Medicine	Rank 3,140
67	238,789	Jupp, Peter G.	Tropical Medicine	Rank 592
68	246,801	Hofmeyr, Isabel	Literary Studies	Rank 47
69	260,360	Chimuka, Luke	Analytical Chemistry	Rank 2,236
70	281,721	Gomes, Chandima	Energy	Rank 4,170
71	306,409	Kuman, Kathleen	Archaeology	Rank 369
72	306,733	di Lernia, Savino	Archaeology	Rank 371
73	315,261	Breckenridge, Keith	Cultural Studies	Rank 152
74	332,371	Koornhof, Hendrik J.	General & Internal Medicine	Rank 4,520
75	340,452	MacPhail, Patrick	General & Internal Medicine	Rank 4,639
76	356,225	Witcomb, M. J.	Materials	Rank 5,437
77	363,758	Loveday, Philip W.	Mechanical Engineering & Transports	Rank 2,766
78	377,933	Nuttall, Sarah	Literary Studies	Rank 92
79	796,589	van der Merwe, J. N.	Mining & Metallurgy	Rank 610
80	907,478	Minnitt, R. C.A.	Mining & Metallurgy	Rank 723
1	194	Sheldon, Roger A.	Organic Chemistry	Rank 3
2	7,329	Michael, Joseph P.	Organic Chemistry	Rank 157
3	13,994	Naldrett, Anthony J.	Geochemistry & Geophysics	Rank 209
4	17,288	Scholes, Robert J.	Ecology	Rank 298
5	19,748	Owen-Smith, Norman	Ecology	Rank 339
6	28,257	Dorrell, David G.	Electrical & Electronic Engineering	Rank 67
7	31,604	Mbembé, Achille	Anthropology	Rank 28
8	33,565	Coovadia, Hoosen M.	General & Internal Medicine	Rank 453
9	34,215	Wadley, Lyn	Archaeology	Rank 19
10	39,114	Celik, Turgay	Artificial Intelligence & Image Processing	Rank 727
11	40,817	Nabarro, F. R.N.	Materials	Rank 496
12	47,524	Crundwell, F. K.	Mining & Metallurgy	Rank 11
13	52,494	Richter, Linda M.	Public Health	Rank 479
14	52,983	O'Connor, Timothy G.	Ecology	Rank 897
15	54,960	Cawthorn, Grant	Geochemistry & Geophysics	Rank 956
16	62,379	Witkowski, Ed T.F.	Ecology	Rank 1,014
17	65,488	McCarthy, Terence	Geology	Rank 85
18	65,492	Bothwell, Thomas	General & Internal Medicine	Rank 849
19	66,106	Ozoemena, Kenneth I.	Energy	Rank 751
20	69,843	McLachlan, David S.	Applied Physics	Rank 1,890
21	73,334	Verstraete, Michel M.	Geological & Geomatics Engineering	Rank 282
22	75,717	Henshilwood, Christopher S.	Archaeology	Rank 50
23	79,724	Ashwal, L. D.	Geochemistry & Geophysics	Rank 1,419
24	80,684	Partridge, Tim	Paleontology	Rank 331
25	87,177	Forbes, Andrew	Optoelectronics & Photonics	Rank 292
26	89,357	Wilson, Allan H.	Geochemistry & Geophysics	Rank 1,599
27	90,383	Clarke, Ronald J.	Anthropology	Rank 111
28	90,552	Archibald, Sally	Ecology	Rank 1,426
29	96,653	Maton, Karl	Education	Rank 465
30	97,222	Kramvis, Anna	Virology	Rank 842
31	99,753	Tyson, Peter	Meteorology & Atmospheric Sciences	Rank 1,511
32	100,244	Hart, Gillian	Development Studies	Rank 67
33	103,913	Lowther, J. E.	Applied Physics	Rank 2,888
34	106,750	Bremner, C. G.	Surgery	Rank 951
35	116,198	Holliday, Trenton	Anthropology	Rank 145
36	116,802	Every, Arthur G.	Applied Physics	Rank 3,295
37	118,925	Schradin, Carsten	Behavioral Science & Comparative Psychology	Rank 451
38	120,876	Coville, Neil J.	Organic Chemistry	Rank 2,208
39	121,030	Hancock, Robert D.	Inorganic & Nuclear Chemistry	Rank 777
40	121,054	Pickering, Travis R.	Anthropology	Rank 156
41	123,354	Rubidge, B.	Paleontology	Rank 566
42	125,178	Marques, Helder M.	Inorganic & Nuclear Chemistry	Rank 809
43	130,745	Berger, Lee R.	Anthropology	Rank 172
44	131,726	Neuse, E. W.	Polymers	Rank 1,190
45	134,605	Colafrancesco, Sergio	Astronomy & Astrophysics	Rank 1,856
46	138,888	Ali, M. Montaz	Operations Research	Rank 533
47	140,453	Limebeer, D. J.N.	Industrial Engineering & Automation	Rank 1,022
48	145,784	Clark, Jamie	Archaeology	Rank 124
49	147,238	Kruger, F. J.	Geology	Rank 232
50	160,730	Bernal, Ivan	Inorganic & Nuclear Chemistry	Rank 1,059
51	161,575	Mahomed, Fazal M.	Mathematical Physics	Rank 136
52	169,692	Huffman, Thomas N.	Archaeology	Rank 163
53	177,279	Lemmerer, Andreas	Inorganic & Nuclear Chemistry	Rank 1,162
54	184,399	Stacey, T. R.	Mining & Metallurgy	Rank 68
55	199,425	Janks, Hilary	Education	Rank 1,227
56	200,122	Southall, Roger	Cultural Studies	Rank 60
57	201,456	Prins, J. F.	Applied Physics	Rank 5,873
58	206,181	Skews, B. W.	Aerospace & Aeronautics	Rank 373
59	206,908	Mitchell, Peter J.	Archaeology	Rank 218
60	213,637	Luca, Florian	General Mathematics	Rank 1,473
61	219,000	Schoub, Barry D.	General & Internal Medicine	Rank 2,877
62	221,676	Jupp, Peter G.	Tropical Medicine	Rank 538
63	226,680	Pillay, Viness	Pharmacology & Pharmacy	Rank 2,335
64	274,033	Hofmeyr, Isabel	Literary Studies	Rank 49
65	298,973	Richards, Guy A.	General & Internal Medicine	Rank 4,050
66	323,510	Gomes, Chandima	Energy	Rank 4,735
67	325,081	MacPhail, Patrick	General & Internal Medicine	Rank 4,458
68	325,896	di Lernia, Savino	Archaeology	Rank 395
69	342,180	Witcomb, M. J.	Materials	Rank 5,079
70	356,122	Marchand, Paul E.	General & Internal Medicine	Rank 4,900
71	396,621	Nuttall, Sarah	Literary Studies	Rank 94
72	784,124	van der Merwe, J. N.	Mining & Metallurgy	Rank 576
1	6,862	Michael, Joseph P.	Organic Chemistry	Rank 146
2	10,755	Hofmeyr, G. J.	General & Internal Medicine	Rank 155
3	13,855	Naldrett, Anthony J.	Geology	Rank 14
4	17,043	Scholes, Robert J.	Ecology	Rank 293
5	19,273	Owen-Smith, Norman	Ecology	Rank 329
6	23,031	Thomas, David S.G.	Geography	Rank 58
7	29,216	Dorrell, David G.	Electrical & Electronic Engineering	Rank 69
8	32,722	Coovadia, Hoosen M.	General & Internal Medicine	Rank 375
9	33,329	Wadley, Lyn	Archaeology	Rank 16
10	40,174	Celik, Turgay	Artificial Intelligence & Image Processing	Rank 672
11	41,203	Nabarro, F. R.N.	Materials	Rank 516
12	44,781	Manderson, Lenore	Public Health	Rank 413
13	46,880	Crundwell, F. K.	Mining & Metallurgy	Rank 11
14	47,519	Raal, Frederick J.	Cardiovascular System & Hematology	Rank 1,794
15	49,672	Pettifor, John M.	Endocrinology & Metabolism	Rank 1,140
16	55,172	Madhi, Shabir A.	Microbiology	Rank 1,388
17	55,218	Richter, Linda	Public Health	Rank 499
18	57,934	Cawthorn, R. G.	Geochemistry & Geophysics	Rank 1,001
19	61,006	Witkowski, Ed T.F.	Ecology	Rank 988
20	63,160	McCarthy, Terence S.	Geology	Rank 94
21	64,798	Bothwell, Thomas	General & Internal Medicine	Rank 717
22	65,378	Ozoemena, Kenneth I.	Energy	Rank 718
23	68,435	McLachlan, David S.	Applied Physics	Rank 1,768
24	71,068	Verstraete, Michel M.	Geological & Geomatics Engineering	Rank 265
25	77,844	Ashwal, Lewis	Geochemistry & Geophysics	Rank 1,360
26	79,633	Partridge, Tim	Paleontology	Rank 321
27	83,891	Eyles, John	Public Health	Rank 754
28	89,762	Clarke, Ronald J.	Anthropology	Rank 117
29	90,741	Wilson, Allan H.	Geochemistry & Geophysics	Rank 1,590
30	90,964	Archibald, Sally	Ecology	Rank 1,421
31	93,386	Manger, Paul R.	Neurology & Neurosurgery	Rank 6,105
32	97,294	Van Vuuren, Sandy F.	Medicinal & Biomolecular Chemistry	Rank 326
33	97,629	Kramvis, Anna	Virology	Rank 861
34	98,071	Hart, Gillian	Development Studies	Rank 64
35	98,897	Maton, Karl	Education	Rank 472
36	99,062	Bond, Patrick	Geography	Rank 352
37	101,354	Lowther, J. E.	Applied Physics	Rank 2,699
38	105,301	Bremner, C. G.	Surgery	Rank 962
39	111,531	Holliday, Trenton	Anthropology	Rank 145
40	113,339	Forbes, Andrew	Optics	Rank 433
41	115,147	Coville, N. J.	Organic Chemistry	Rank 2,066
42	116,590	Blight, G. E.	Geological & Geomatics Engineering	Rank 472
43	117,331	Hancock, Robert D.	Inorganic & Nuclear Chemistry	Rank 821
44	118,970	Every, Arthur G.	Applied Physics	Rank 3,230
45	121,592	Schradin, Carsten	Behavioral Science & Comparative Psychology	Rank 483
46	121,767	Pickering, Travis Rayne	Anthropology	Rank 165
47	122,256	Rubidge, B. S.	Paleontology	Rank 567
48	123,139	Marques, Helder M.	Inorganic & Nuclear Chemistry	Rank 872
49	126,474	Berger, Lee R.	Anthropology	Rank 174
50	129,137	Neuse, E. W.	Polymers	Rank 1,178
51	134,330	Colafrancesco, Sergio	Astronomy & Astrophysics	Rank 1,816
52	143,996	Brouwer, Derk H.	Environmental & Occupational Health	Rank 150
53	146,317	Kruger, F. J.	Geology	Rank 269
54	158,723	Hofman, Karen J.	General & Internal Medicine	Rank 1,702
55	159,504	Mahomed, Fazal M.	Mathematical Physics	Rank 141
56	168,551	Huffman, Thomas N.	Archaeology	Rank 152
57	177,113	Cleaton-Jones, Peter	Dentistry	Rank 1,102
58	177,785	Lemmerer, Andreas	Inorganic & Nuclear Chemistry	Rank 1,267
59	187,257	Prins, J. F.	Applied Physics	Rank 5,249
60	194,606	Steyn, Maryna	Legal & Forensic Medicine	Rank 81
61	197,430	Stacey, T. R.	Mining & Metallurgy	Rank 75
62	202,944	Chandiwana, Steven	General & Internal Medicine	Rank 2,204
63	204,848	Skews, B. W.	Aerospace & Aeronautics	Rank 373
64	207,281	Mitchell, Peter J.	Archaeology	Rank 200
65	208,678	Southall, Roger	Cultural Studies	Rank 58
66	208,714	Pillay, Viness	Pharmacology & Pharmacy	Rank 2,175
67	210,224	Janks, Hilary	Education	Rank 1,257
68	217,533	Schoub, Barry D.	General & Internal Medicine	Rank 2,364
69	220,551	Luca, Florian	General Mathematics	Rank 1,549
70	222,287	Jupp, Peter G.	Tropical Medicine	Rank 551
71	292,714	Hofmeyr, Isabel	Literary Studies	Rank 46
72	293,950	Isaäcson, Margaretha	General & Internal Medicine	Rank 3,263
73	330,150	Witcomb, M. J.	Materials	Rank 5,055
74	337,750	Gomes, Chandima	Energy	Rank 4,809
75	356,104	Marchand, Paul E.	General & Internal Medicine	Rank 4,007
76	363,812	Venter, W. D.Francois	General & Internal Medicine	Rank 4,104
77	374,974	Freeman, M.	General & Internal Medicine	Rank 4,242
78	404,743	Nuttall, Sarah	Literary Studies	Rank 80
79	904,497	van der Merwe, J. N.	Mining & Metallurgy	Rank 694

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