University of the Witwatersrand, Johannesburg

South Africa

Total Researchers: 435

23 profile views

Rank in this institute	World rank	Scientist	Sub-field	Rank in sub-field
1	2,591	Forbes, Andrew	Optoelectronics & Photonics	Rank 3
2	4,161	Mbembé, Achille	Anthropology	Rank 2
3	5,546	Torsvik, Trond H.	Geochemistry & Geophysics	Rank 72
4	7,266	Çelik, Turgay	Artificial Intelligence & Image Processing	Rank 364
5	8,889	Burawoy, Michael	Sociology	Rank 44
6	11,070	Scholes, Robert J.	Ecology	Rank 259
7	16,089	Dorrell, David G.	Electrical & Electronic Engineering	Rank 50
8	17,561	Archibald, Sally A.	Ecology	Rank 377
9	22,837	Richter, Linda M.	Public Health	Rank 225
10	24,605	Adom, Philip Kofi	Energy	Rank 656
11	25,340	Baker, Fiona C.	Neurology & Neurosurgery	Rank 1,168
12	28,634	Owen-Smith, R. Norman	Ecology	Rank 563
13	30,935	Wadley, Lyn	Archaeology	Rank 14
14	32,856	Michael, Joseph P.	Organic Chemistry	Rank 385
15	36,293	Naldrett, Anthony J.	Geochemistry & Geophysics	Rank 538
16	36,846	Manderson, Lenore H.	Public Health	Rank 348
17	37,626	Vincent, Katharine E.	Environmental Sciences	Rank 838
18	47,382	Urban, Boris	Business & Management	Rank 1,169
19	49,271	Pereira, Laura M.	Ecology	Rank 935
20	49,400	Maiti, Moinak	Business & Management	Rank 1,219
21	53,463	Yoshinaga-Itano, Christine	Otorhinolaryngology	Rank 39
22	53,766	Ozoemena, Kenneth Ikechukwu	Energy	Rank 1,578
23	54,310	Hart, Gillian	Geography	Rank 269
24	54,580	Janks, Hilary	Education	Rank 702
25	69,753	Knight, Jasper	Geography	Rank 359
26	74,133	Nabarro, F. R.N.	Materials	Rank 1,616
27	74,592	Norris, Shane A.	Nutrition & Dietetics	Rank 479
28	76,696	Posel, Dorrit Ruth	Economics	Rank 999
29	77,712	O'Connor, Timothy Gordon	Ecology	Rank 1,430
30	78,106	Anning-Dorson, Thomas	Business & Management	Rank 1,777
31	82,088	Ashwal, Lew D.	Geochemistry & Geophysics	Rank 1,201
32	84,185	Makalela, Leketi	Languages & Linguistics	Rank 375
33	88,602	Henshilwood, Christopher Stuart	Archaeology	Rank 60
34	89,877	Lehmann, Caroline E.R.	Ecology	Rank 1,630
35	90,238	Kumar, Pradeep	Pharmacology & Pharmacy	Rank 581
36	91,102	Cawthorn, Richard Grant	Geochemistry & Geophysics	Rank 1,322
37	96,874	Smith, R. M.H.	Paleontology	Rank 224
38	98,787	Cooper, G. R.J.	Geochemistry & Geophysics	Rank 1,416
39	99,146	Paul Alagidede, Imhotep	Economics	Rank 1,200
40	104,520	Yoro, Kelvin Odafe	Energy	Rank 3,206
41	104,772	Stacey, Thomas Richard	Mining & Metallurgy	Rank 65
42	109,148	Fitchett, Jennifer M.	Meteorology & Atmospheric Sciences	Rank 1,897
43	111,667	Kramvis, Anna	Virology	Rank 420
44	115,431	Venter, Marietjie	Microbiology	Rank 2,219
45	126,907	Churchyard, Gavin John	Microbiology	Rank 2,447
46	131,113	Gomes, Chandima	Energy	Rank 4,118
47	133,619	Lemmerer, Andreas	Inorganic & Nuclear Chemistry	Rank 502
48	136,052	Hofman, Karen J.	General & Internal Medicine	Rank 1,680
49	136,552	Steyn, Maryna M.	Legal & Forensic Medicine	Rank 37
50	139,978	Naicker, Saraladevi	Urology & Nephrology	Rank 897
51	143,575	Patel, Mrudula	Microbiology	Rank 2,805
52	148,868	Booysen, Frikkie	Public Health	Rank 1,504
53	149,027	Mellado Garcia, B. R.	Nuclear & Particle Physics	Rank 1,839
54	149,387	Hofmeyr, Isabel	Literary Studies	Rank 49
55	156,514	McCarthy, Terrence Sinclair	Geology	Rank 176
56	159,160	DeSilva, Jeremy M.	Anthropology	Rank 197
57	161,585	Delany-Moretlwe, Sinead	Public Health	Rank 1,627
58	162,722	Botha, Jennifer	Paleontology	Rank 406
59	166,077	Kara, Abdul Hamid	Nuclear & Particle Physics	Rank 2,015
60	172,548	Thatcher, Andrew	Human Factors	Rank 364
61	173,662	Mitchell, Peter J.	Archaeology	Rank 153
62	181,813	Feller, Liviu L.	Dentistry	Rank 821
63	190,188	Schradin, Carsten	Behavioral Science & Comparative Psychology	Rank 328
64	191,369	Huffman, Thomas Niel	Archaeology	Rank 182
65	192,361	Breckenridge, Keith Derek	Cultural Studies	Rank 63
66	206,316	Gómez-Olivé, Francesc Xavier	Public Health	Rank 2,112
67	207,609	Cutland, Clare Louise	Microbiology	Rank 4,081
68	226,090	Sadr, Karim	Archaeology	Rank 213
69	231,086	Skews, B.	Aerospace & Aeronautics	Rank 397
70	238,295	Kinnaird, Judith Ann	Geology	Rank 273
71	242,789	Coovadia, Hoosen Mahomed	General & Internal Medicine	Rank 2,863
72	245,720	Ndjiongue, Alain Richard	Networking & Telecommunications	Rank 3,106
73	246,387	Marques, Helder M.	Inorganic & Nuclear Chemistry	Rank 1,023
74	251,335	Coville, Neil John	Organic Chemistry	Rank 3,487
75	251,845	Ndlovu, Sehliselo	Mining & Metallurgy	Rank 206
76	289,998	Bothwell, Thomas H.	General & Internal Medicine	Rank 3,336
77	293,710	Billing, David Gordon	Inorganic & Nuclear Chemistry	Rank 1,229
78	297,719	McLachlan, David S.	Applied Physics	Rank 5,924
79	301,845	Guidozzi, Franco F.	Obstetrics & Reproductive Medicine	Rank 1,755
80	304,597	Southall, Roger Jonathan	Cultural Studies	Rank 133
81	306,189	Every, Arthur G.	Applied Physics	Rank 6,074
82	306,309	Kondiah, Pierre P.D.	Pharmacology & Pharmacy	Rank 2,544
83	312,531	Nape, Isaac	Optoelectronics & Photonics	Rank 906
84	312,618	Loveday, Philip W.	Acoustics	Rank 706
85	351,459	Wyndham, Cyril H.	General & Internal Medicine	Rank 4,015
86	363,392	Chazan, Michael	Archaeology	Rank 381
87	440,339	Nuttall, Sarah	Literary Studies	Rank 145
88	464,694	Yah, Clarence Suh	General & Internal Medicine	Rank 5,182
89	477,277	Naidoo, Darryl	Optoelectronics & Photonics	Rank 1,518
90	509,510	Buchmann, Eckhardt J.	General & Internal Medicine	Rank 5,613
91	517,462	Kong, Victor Yeewai	Surgery	Rank 3,239
92	521,710	Genc, Bekir	Mining & Metallurgy	Rank 495
93	543,623	Wade, Alisha N.	General & Internal Medicine	Rank 5,941
94	546,438	Clarke, Damian Luiz	Surgery	Rank 3,460
95	568,883	Alexander, Graham J.	Zoology	Rank 299
96	617,974	De Mello Koch, Robert	Nuclear & Particle Physics	Rank 6,510
97	754,796	Safari, Mehdi	Mining & Metallurgy	Rank 788
98	784,890	Musila, Grace A.	Literary Studies	Rank 298
99	1,029,898	Nkealah, Naomi	Literary Studies	Rank 455
1	162	Sheldon, Roger A.	Organic Chemistry	Rank 1
2	4,833	Mbembe, Achille	Anthropology	Rank 3
3	5,337	Forbes, Andrew	Optics	Rank 28
4	8,460	Celik, Turgay	Artificial Intelligence & Image Processing	Rank 393
5	12,214	Madhi, Shabir A.	Microbiology	Rank 236
6	14,815	Scholes, Robert J.	Ecology	Rank 334
7	17,067	Raal, Frederick J.	Cardiovascular System & Hematology	Rank 529
8	17,743	Dorrell, David George	Electrical & Electronic Engineering	Rank 66
9	19,328	Archibald, Sally	Ecology	Rank 421
10	19,551	Michael, Joseph P.	Organic Chemistry	Rank 234
11	22,243	Maroun, Warren	Accounting	Rank 53
12	26,404	Adom, Philip Kofi	Energy	Rank 661
13	26,410	Hofmeyr, G. Justus	General & Internal Medicine	Rank 384
14	28,163	Byass, Peter	Tropical Medicine	Rank 23
15	28,849	Owen-Smith, Norman	Ecology	Rank 598
16	31,941	Richter, Linda	Public Health	Rank 316
17	35,573	Manderson, Lenore	Public Health	Rank 352
18	36,262	Wadley, Lyn	Archaeology	Rank 24
19	40,128	Thomas, David S.G.	Geography	Rank 199
20	40,168	Van Vuuren, S.	Medicinal & Biomolecular Chemistry	Rank 130
21	42,224	Naldrett, Anthony J.	Geology	Rank 45
22	44,606	Ozoemena, Kenneth I.	Energy	Rank 1,154
23	45,108	Janks, Hilary	Education	Rank 533
24	46,117	Hart, Gillian	Development Studies	Rank 45
25	51,149	Crundwell, F. K.	Mining & Metallurgy	Rank 20
26	51,800	Urban, Boris	Business & Management	Rank 1,248
27	52,225	Maiti, Moinak	Business & Management	Rank 1,257
28	52,465	Coetzee, Maureen	Tropical Medicine	Rank 47
29	54,770	Parr, Catherine	Ecology	Rank 1,072
30	55,683	Mahlangu, Johnny	Cardiovascular System & Hematology	Rank 1,524
31	62,703	Kramvis, Anna	Virology	Rank 255
32	74,317	Pereira, Laura	Ecology	Rank 1,397
33	75,847	Venter, Willem D.F.	General & Internal Medicine	Rank 983
34	77,719	Fine, Ben	Economics	Rank 1,013
35	85,035	Cooper, G. R.J.	Geochemistry & Geophysics	Rank 1,220
36	86,329	Knight, Jasper	Geography	Rank 453
37	86,570	Choonara, Yahya E.	Pharmacology & Pharmacy	Rank 509
38	87,413	Pettifor, John	Endocrinology & Metabolism	Rank 1,286
39	90,726	Anning-Dorson, Thomas	Business & Management	Rank 1,985
40	90,931	Henshilwood, Christopher Stuart	Archaeology	Rank 77
41	92,296	Norris, Shane A.	Nutrition & Dietetics	Rank 625
42	93,169	McCarthy, Terence	Geology	Rank 99
43	93,931	Ramsay, Michele	Genetics & Heredity	Rank 241
44	93,950	Cawthorn, Richard Grant	Geochemistry & Geophysics	Rank 1,346
45	94,567	Feldman, Charles	Respiratory System	Rank 607
46	96,976	Swilling, Mark	Urban & Regional Planning	Rank 294
47	101,143	Ashwal, Lewis D.	Geochemistry & Geophysics	Rank 1,450
48	102,770	Kumar, Pradeep	Pharmacology & Pharmacy	Rank 655
49	109,071	Chersich, Matthew F.	Public Health	Rank 1,178
50	111,640	Ahmad, Aijaz	Microbiology	Rank 2,329
51	114,631	Simate, G.	Mining & Metallurgy	Rank 61
52	116,343	Lemmerer, Andreas	Inorganic & Nuclear Chemistry	Rank 442
53	116,626	Naicker, Saraladevi	Urology & Nephrology	Rank 787
54	119,920	Wolter, Nicole	Microbiology	Rank 2,511
55	121,076	Bodunrin, Michael Oluwatosin	Materials	Rank 2,548
56	122,265	Nabarro, F. R.N.	Materials	Rank 2,577
57	129,540	Stacey, Thomas R.	Mining & Metallurgy	Rank 71
58	130,091	Varadwaj, Pradeep R.	Chemical Physics	Rank 1,563
59	131,507	Potgieter, Johannes H.	Materials	Rank 2,815
60	144,968	Botha, Jennifer	Paleontology	Rank 381
61	145,813	Mellado, Bruce	Nuclear & Particle Physics	Rank 1,708
62	146,098	Huffman, Thomas N.	Archaeology	Rank 137
63	150,000	Manger, Paul R.	Neurology & Neurosurgery	Rank 6,452
64	151,157	Conradie, Francesca	General & Internal Medicine	Rank 1,812
65	153,770	Moore, Penny L.	Virology	Rank 716
66	154,177	Ali, Aus T.	Obstetrics & Reproductive Medicine	Rank 952
67	166,425	Pillay, Viness	Pharmacology & Pharmacy	Rank 1,208
68	168,089	Hofman, Karen	General & Internal Medicine	Rank 1,994
69	174,540	Rosen, Sydney	Virology	Rank 849
70	175,671	Muller, Mike	Environmental Engineering	Rank 1,076
71	177,038	Chimuka, Luke	Analytical Chemistry	Rank 1,347
72	182,953	Hofmeyr, Isabel	Literary Studies	Rank 55
73	185,005	Thatcher, Andrew	Human Factors	Rank 379
74	186,986	Cutland, Clare L.	Microbiology	Rank 3,909
75	191,971	Rubidge, Bruce S.	Paleontology	Rank 534
76	194,105	Kara, A. H.	Nuclear & Particle Physics	Rank 2,230
77	195,329	Govender, Nelesh P.	Microbiology	Rank 4,091
78	203,856	Skelton, R. P.	Plant Biology & Botany	Rank 3,673
79	207,791	Chazan, M.	Archaeology	Rank 224
80	208,899	di Lernia, Savino	Archaeology	Rank 226
81	214,557	du Toit, Lisa C.	Pharmacology & Pharmacy	Rank 1,640
82	219,708	Steyn, Maryna	Legal & Forensic Medicine	Rank 69
83	220,270	Southall, Roger	Cultural Studies	Rank 81
84	223,440	Brouwer, Derk	Environmental & Occupational Health	Rank 155
85	233,748	Feller, Liviu	Dentistry	Rank 1,083
86	240,741	Bothwell, Thomas	General & Internal Medicine	Rank 2,781
87	249,276	McLachlan, David S.	Applied Physics	Rank 5,070
88	251,684	Gomes, Chandima	Energy	Rank 7,400
89	253,359	Coovadia, Hoosen M.	General & Internal Medicine	Rank 2,904
90	256,507	Breckenridge, Keith	Cultural Studies	Rank 102
91	259,474	Billing, David Gordon	Inorganic & Nuclear Chemistry	Rank 1,141
92	262,440	Ntwaeaborwa, Odireleng M.	Applied Physics	Rank 5,353
93	265,087	Marques, Helder M.	Inorganic & Nuclear Chemistry	Rank 1,168
94	266,607	Every, Arthur G.	Applied Physics	Rank 5,443
95	267,711	Kleinschmidt, Immo	Tropical Medicine	Rank 388
96	273,259	Ripamonti, Ugo	Dentistry	Rank 1,317
97	276,725	Velaphi, S.	Pediatrics	Rank 1,001
98	300,925	Francis, Joel M.	General & Internal Medicine	Rank 3,435
99	304,630	Pillay, Viness	Pharmacology & Pharmacy	Rank 2,493
100	309,477	Richter, Linda	General & Internal Medicine	Rank 3,532
101	315,875	Rispel, Laetitia C.	Tropical Medicine	Rank 472
102	331,617	Evans, Denise	General & Internal Medicine	Rank 3,769
103	332,795	Wurz, Sarah	Archaeology	Rank 383
104	335,449	Meinck, Franziska	General & Internal Medicine	Rank 3,813
105	346,672	Shear, Mervyn	Dentistry	Rank 1,721
106	359,144	Yah, C. S.	General & Internal Medicine	Rank 4,066
107	367,282	Ndlovu, S.	Mining & Metallurgy	Rank 312
108	398,275	Alexander, G. J.	Zoology	Rank 192
109	454,247	Goudge, Jane	General & Internal Medicine	Rank 4,967
110	464,293	Richards, Guy A.	General & Internal Medicine	Rank 5,077
111	470,563	Koekemoer, Lizette L.	Tropical Medicine	Rank 770
112	477,805	Skews, Beric W.	Aerospace & Aeronautics	Rank 856
113	503,273	Wade, Alisha N.	General & Internal Medicine	Rank 5,450
114	530,565	Boachie, Micheal Kofi	General & Internal Medicine	Rank 5,748
115	549,820	Nuttall, Sarah	Literary Studies	Rank 156
116	595,719	Moosa, M.	General & Internal Medicine	Rank 6,371
117	865,449	Musila, Grace A.	Literary Studies	Rank 290
118	913,109	Nkealah, Naomi	Literary Studies	Rank 315
119	1,040,058	Safari, Mehdi	Mining & Metallurgy	Rank 1,169
1	139	Sheldon, Roger A.	Organic Chemistry	Rank 1
2	6,404	Forbes, Andrew	Optoelectronics & Photonics	Rank 10
3	7,146	Celik, Turgay	Artificial Intelligence & Image Processing	Rank 277
4	7,291	Mbembé, Achille	Anthropology	Rank 4
5	12,248	Scholes, Robert J.	Ecology	Rank 276
6	16,358	Guo, Bao Zhu	Industrial Engineering & Automation	Rank 161
7	18,831	Thomas, David S.G.	Geography	Rank 94
8	18,908	Archibald, Sally	Ecology	Rank 403
9	19,971	Dorrell, David	Electrical & Electronic Engineering	Rank 69
10	22,545	Michael, Joseph P.	Organic Chemistry	Rank 290
11	22,590	Richter, Linda	Public Health	Rank 233
12	24,923	Hofmeyr, G. J.	General & Internal Medicine	Rank 373
13	25,138	Crundwell, F. K.	Mining & Metallurgy	Rank 10
14	25,461	Wadley, Lyn	Archaeology	Rank 15
15	29,907	Owen-Smith, Norman	Ecology	Rank 595
16	30,878	Naldrett, Anthony J.	Geology	Rank 30
17	32,610	Maroun, Warren	Accounting	Rank 56
18	38,315	Janks, Hilary	Education	Rank 366
19	53,938	Ozoemena, Kenneth I.	Energy	Rank 1,281
20	54,684	Henshilwood, Christopher Stuart	Archaeology	Rank 36
21	55,238	Maton, Karl	Education	Rank 542
22	59,629	Nabarro, F. R.N.	Materials	Rank 1,092
23	60,142	Naicker, Saraladevi	Urology & Nephrology	Rank 442
24	61,756	Cooper, Gordon	Geochemistry & Geophysics	Rank 1,016
25	62,656	Urban, Boris	Business & Management	Rank 1,296
26	62,966	Hart, Gillian	Development Studies	Rank 64
27	72,846	Ashwal, Lewis D.	Geochemistry & Geophysics	Rank 1,175
28	85,349	Knight, Jasper	Paleontology	Rank 248
29	86,290	Pereira, Laura	Ecology	Rank 1,579
30	87,928	Mccarthy, Terence Sinclair	Geology	Rank 98
31	89,518	O'Connor, Timothy Gordon	Ecology	Rank 1,639
32	90,294	Cawthorn, Richard Grant	Geochemistry & Geophysics	Rank 1,445
33	90,734	Posel, Dorrit	Economics	Rank 1,061
34	91,405	Mitchell, Peter	Archaeology	Rank 69
35	91,481	Anning-Dorson, Thomas	Business & Management	Rank 1,769
36	95,355	Makalela, Leketi	Languages & Linguistics	Rank 339
37	111,747	Hofmeyr, Isabel	Literary Studies	Rank 25
38	112,474	Lemmerer, Andreas	Inorganic & Nuclear Chemistry	Rank 462
39	112,570	Sharma, Vishal S.	Industrial Engineering & Automation	Rank 1,072
40	123,102	Grab, Stefan	Geography	Rank 622
41	128,631	Verstraete, Michel M.	Geological & Geomatics Engineering	Rank 1,164
42	131,691	Stacey, T. R.	Mining & Metallurgy	Rank 83
43	141,592	Pickering, Travis Rayne	Anthropology	Rank 167
44	144,564	Gomes, Chandima	Energy	Rank 3,756
45	146,090	Varadwaj, Pradeep R.	Chemical Physics	Rank 1,747
46	147,794	Chimuka, Luke	Analytical Chemistry	Rank 1,103
47	150,055	Rubidge, Bruce	Paleontology	Rank 464
48	153,644	Muller, Mike	Environmental Engineering	Rank 963
49	161,293	Schradin, Carsten	Behavioral Science & Comparative Psychology	Rank 358
50	162,273	Kara, A. H.	Nuclear & Particle Physics	Rank 1,840
51	168,769	Coovadia, Hoosen M.	General & Internal Medicine	Rank 2,041
52	179,341	Clarke, Ronald J.	Anthropology	Rank 225
53	183,701	Luca, Florian	General Mathematics	Rank 957
54	184,015	Berger, Lee	Anthropology	Rank 232
55	216,349	Ntwaeaborwa, O. M.	Applied Physics	Rank 4,540
56	223,034	Rees, Helen	General & Internal Medicine	Rank 2,616
57	231,352	Bothwell, Thomas	General & Internal Medicine	Rank 2,698
58	242,772	Every, Arthur G.	Applied Physics	Rank 5,083
59	254,240	Billing, David G.	Inorganic & Nuclear Chemistry	Rank 1,182
60	263,714	Southall, Roger	Cultural Studies	Rank 94
61	280,931	McLachlan, David S.	Applied Physics	Rank 5,902
62	282,388	Wurz, Sarah	Archaeology	Rank 306
63	287,663	Kuman, Kathleen	Archaeology	Rank 310
64	299,359	Anhaeusser, Carl	Geology	Rank 392
65	303,540	Breckenridge, Keith	Cultural Studies	Rank 120
66	330,426	Huffman, Thomas N.	Archaeology	Rank 361
67	455,214	Musila, Grace A.	Literary Studies	Rank 104
68	459,250	Nuttall, Sarah	Literary Studies	Rank 107
69	479,294	Skews, Beric W.	Aerospace & Aeronautics	Rank 945
70	497,075	Alexander, Graham J.	Zoology	Rank 245
71	611,368	Francis, Joel M.	General & Internal Medicine	Rank 6,588
72	615,716	Genc, Bekir	Mining & Metallurgy	Rank 612
73	911,415	Nkealah, Naomi	Literary Studies	Rank 233
1	128	Sheldon, Roger A.	Organic Chemistry	Rank 1
2	8,118	Mbembé, Achille	Anthropology	Rank 7
3	10,111	Forbes, Andrew	Optoelectronics & Photonics	Rank 14
4	10,814	Michael, Joseph P.	Organic Chemistry	Rank 150
5	11,211	Scholes, Robert J.	Ecology	Rank 285
6	13,150	Celik, Turgay	Artificial Intelligence & Image Processing	Rank 428
7	18,559	Archibald, Sally	Ecology	Rank 429
8	21,230	Dorrell, David G.	Electrical & Electronic Engineering	Rank 66
9	23,229	Naldrett, Anthony J.	Geochemistry & Geophysics	Rank 402
10	27,579	Richter, Linda M.	Public Health	Rank 262
11	28,757	Crundwell, F. K.	Mining & Metallurgy	Rank 9
12	36,339	Owen-Smith, Norman	Ecology	Rank 783
13	40,824	Wadley, Lyn	Archaeology	Rank 27
14	45,351	Nabarro, F. R.N.	Materials	Rank 754
15	52,388	Maton, Karl	Education	Rank 445
16	59,024	Ozoemena, Kenneth I.	Energy	Rank 1,270
17	59,350	Henshilwood, Christopher S.	Archaeology	Rank 49
18	65,378	Janks, Hilary	Education	Rank 562
19	67,511	Maroun, Warren	Accounting	Rank 104
20	69,217	Mahlangu, Johnny N	Cardiovascular System & Hematology	Rank 1,933
21	70,536	Ashwal, L. D.	Geochemistry & Geophysics	Rank 1,205
22	71,625	Cawthorn, Grant	Geochemistry & Geophysics	Rank 1,230
23	71,660	Wilson, Allan H.	Geochemistry & Geophysics	Rank 1,231
24	72,206	O'Connor, Timothy G.	Ecology	Rank 1,444
25	83,941	Kramvis, Anna	Virology	Rank 560
26	85,325	Cooper, G. R.J.	Geochemistry & Geophysics	Rank 1,437
27	85,475	Urban, Boris	Business & Management	Rank 1,510
28	89,527	Hart, Gillian	Development Studies	Rank 86
29	96,164	Sharma, Vishal S.	Industrial Engineering & Automation	Rank 880
30	97,729	McCarthy, Terence	Geology	Rank 133
31	98,800	Rubidge, B.	Paleontology	Rank 343
32	99,581	Lemmerer, Andreas	Inorganic & Nuclear Chemistry	Rank 429
33	113,020	Luca, Florian	General Mathematics	Rank 573
34	114,324	Schradin, Carsten	Behavioral Science & Comparative Psychology	Rank 294
35	117,138	Stacey, T. R.	Mining & Metallurgy	Rank 65
36	119,623	Pillay, Viness	Pharmacology & Pharmacy	Rank 841
37	121,138	Kara, Abdul H.	Nuclear & Particle Physics	Rank 1,511
38	132,015	Pickering, Travis R.	Anthropology	Rank 166
39	133,979	Muller, Mike	Environmental Engineering	Rank 854
40	139,968	Gomes, Chandima	Energy	Rank 3,267
41	158,449	Kinnaird, J. A.	Geology	Rank 230
42	163,421	Coovadia, Hoosen M.	General & Internal Medicine	Rank 1,911
43	173,355	Berger, Lee R.	Anthropology	Rank 220
44	178,184	Chimuka, Luke	Analytical Chemistry	Rank 1,341
45	196,899	Mitchell, Peter J.	Archaeology	Rank 216
46	206,564	Hofmeyr, Isabel	Literary Studies	Rank 45
47	210,468	Ntwaeaborwa, O. M.	Applied Physics	Rank 4,547
48	212,881	Bothwell, Thomas	General & Internal Medicine	Rank 2,428
49	214,011	Every, Arthur G.	Applied Physics	Rank 4,627
50	217,115	Billing, David G.	Inorganic & Nuclear Chemistry	Rank 1,068
51	222,113	McLachlan, David S.	Applied Physics	Rank 4,799
52	226,407	Breckenridge, Keith	Cultural Studies	Rank 67
53	252,781	Mahomed, Fazal M.	Mathematical Physics	Rank 128
54	254,090	Clarke, Ronald J.	Anthropology	Rank 331
55	256,880	Pargeter, Justin	Archaeology	Rank 298
56	278,155	di Lernia, Savino	Archaeology	Rank 329
57	278,265	Lane, Paul J.	Archaeology	Rank 330
58	318,883	Southall, Roger	Cultural Studies	Rank 106
59	503,575	Richards, Guy A.	General & Internal Medicine	Rank 5,258
60	529,392	Skews, B. W.	Aerospace & Aeronautics	Rank 1,021
61	544,369	Naidoo, Darryl	Optoelectronics & Photonics	Rank 1,834
62	548,370	Musila, Grace A.	Literary Studies	Rank 109
63	599,667	Nuttall, Sarah	Literary Studies	Rank 119
64	635,334	van der Merwe, J. N.	Mining & Metallurgy	Rank 609
65	782,539	Genc, Bekir	Mining & Metallurgy	Rank 768
66	2,423,680	Barratt, Barnaby B.	Psychoanalysis	Rank 471
1	10,350	Michael, Joseph P.	Organic Chemistry	Rank 152
2	11,346	Scholes, Robert J.	Ecology	Rank 288
3	13,126	Celik, Turgay	Artificial Intelligence & Image Processing	Rank 358
4	18,425	Hofmeyr, G. J.	General & Internal Medicine	Rank 234
5	19,443	Dorrell, David G.	Electrical & Electronic Engineering	Rank 62
6	19,539	Crundwell, F. K.	Mining & Metallurgy	Rank 5
7	20,542	Forbes, Andrew	Optics	Rank 91
8	21,201	Archibald, Sally	Ecology	Rank 487
9	21,374	Naldrett, Anthony J.	Geology	Rank 31
10	22,755	Wadley, Lyn	Archaeology	Rank 16
11	23,612	Owen-Smith, Norman	Ecology	Rank 536
12	27,574	Richter, Linda	Public Health	Rank 274
13	28,350	Raal, Frederick J.	Cardiovascular System & Hematology	Rank 860
14	34,059	Van Vuuren, Sandy F.	Medicinal & Biomolecular Chemistry	Rank 99
15	35,543	Thomas, David S.G.	Geography	Rank 159
16	38,742	Madhi, Shabir A.	Microbiology	Rank 860
17	42,838	Manderson, Lenore	Public Health	Rank 453
18	46,331	Nabarro, F. R.N.	Materials	Rank 841
19	47,726	Ashwal, Lewis	Geochemistry & Geophysics	Rank 900
20	48,222	Ozoemena, Kenneth I.	Energy	Rank 1,011
21	51,038	Hart, Gillian	Development Studies	Rank 53
22	52,728	Maton, Karl	Education	Rank 458
23	55,015	Pettifor, John M.	Endocrinology & Metabolism	Rank 972
24	59,050	Maroun, Warren	Accounting	Rank 111
25	64,581	Cawthorn, R. G.	Geochemistry & Geophysics	Rank 1,195
26	66,619	Janks, Hilary	Education	Rank 575
27	73,196	Urban, Boris	Business & Management	Rank 1,383
28	78,419	Wilson, Allan H.	Geochemistry & Geophysics	Rank 1,430
29	80,074	Kramvis, Anna	Virology	Rank 478
30	81,020	Witkowski, Ed T.F.	Ecology	Rank 1,599
31	83,933	Mahlangu, Johnny	Cardiovascular System & Hematology	Rank 2,199
32	84,568	Pillay, Viness	Pharmacology & Pharmacy	Rank 545
33	84,570	Blight, G. E.	Geological & Geomatics Engineering	Rank 662
34	91,467	Cooper, Gordon Robert John	Geochemistry & Geophysics	Rank 1,637
35	95,639	McCarthy, Terence S.	Geology	Rank 170
36	99,585	Hofman, Karen J.	General & Internal Medicine	Rank 1,045
37	101,550	Stacey, T. R.	Mining & Metallurgy	Rank 59
38	101,921	Lemmerer, Andreas	Inorganic & Nuclear Chemistry	Rank 511
39	102,240	Anning-Dorson, Thomas	Business & Management	Rank 1,845
40	106,319	Luca, Florian	General Mathematics	Rank 619
41	108,948	Sharma, Vishal S.	Industrial Engineering & Automation	Rank 992
42	116,154	Knight, Jasper	Geography	Rank 594
43	116,159	McLachlan, David S.	Applied Physics	Rank 2,454
44	118,366	Schradin, Carsten	Behavioral Science & Comparative Psychology	Rank 331
45	122,926	Rubidge, B. S.	Paleontology	Rank 466
46	126,423	Norris, Shane A.	Nutrition & Dietetics	Rank 870
47	130,879	Bamford, M.	Paleontology	Rank 519
48	131,034	Thatcher, Andrew	Human Factors	Rank 277
49	131,494	Mitchell, Peter J.	Archaeology	Rank 123
50	134,058	Coovadia, Hoosen M.	General & Internal Medicine	Rank 1,389
51	134,707	Kumar, Pradeep	Pharmacology & Pharmacy	Rank 978
52	140,534	Maringe, Felix	Education	Rank 1,308
53	142,104	Grab, Stefan	Geography	Rank 719
54	144,333	Manger, Paul R.	Neurology & Neurosurgery	Rank 7,115
55	144,840	Kara, Abdul H.	Nuclear & Particle Physics	Rank 1,833
56	149,304	Chimuka, Luke	Analytical Chemistry	Rank 1,127
57	156,232	Venter, W. D.Francois	General & Internal Medicine	Rank 1,612
58	161,583	Choonara, Yahya E.	Pharmacology & Pharmacy	Rank 1,210
59	163,895	Kinnaird, Judith A.	Geology	Rank 309
60	164,035	Coville, N. J.	Organic Chemistry	Rank 2,472
61	170,193	Gomes, Chandima	Energy	Rank 3,996
62	171,290	Madella, Marco	Archaeology	Rank 185
63	171,947	Steyn, Maryna	Legal & Forensic Medicine	Rank 51
64	202,967	Breckenridge, Keith	Cultural Studies	Rank 54
65	204,067	Bothwell, Thomas	General & Internal Medicine	Rank 2,051
66	207,678	Ntwaeaborwa, Odireleng M.	Applied Physics	Rank 4,669
67	222,351	Brouwer, Derk H.	Environmental & Occupational Health	Rank 189
68	225,918	Wurz, Sarah	Archaeology	Rank 263
69	226,182	Lowther, J. E.	Applied Physics	Rank 5,131
70	247,919	Billing, D.	Inorganic & Nuclear Chemistry	Rank 1,399
71	259,297	Mickenautsch, Steffen	Dentistry	Rank 1,335
72	267,172	Hofmeyr, Isabel	Literary Studies	Rank 42
73	297,674	Southall, Roger	Cultural Studies	Rank 103
74	328,177	Skews, B. W.	Aerospace & Aeronautics	Rank 603
75	408,149	Conradie, Francesca	General & Internal Medicine	Rank 3,793
76	516,493	Rochat, Tamsen J.	General & Internal Medicine	Rank 4,741
77	680,775	Musila, Grace A.	Literary Studies	Rank 116
78	736,088	Nuttall, Sarah	Literary Studies	Rank 131