Hayflick, Leonard
University of California, San Francisco,
United States
2025 Rank: 21635
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Biochemistry & Molecular Biology
SubField 2:
Gerontology
Rank in SubField 1: 935 out of 212967 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 21635 | 26390 |
| Total Cites | 11764 | 11826 |
| H-index | 22 | 22 |
| Hm-index | 17 | 17 |
| Number of Single Authored Papers | 72 | 72 |
| Total Cites to Single Authored Papers | 4166 | 4175 |
| Number of Single+First Authored Papers | 80 | 80 |
| Total Cites to Single+First Authored Papers | 9216 | 9240 |
| Number of Single+First+Last Authored Papers | 110 | 110 |
| Total Cites to Single+First+Last Authored Papers | 9545 | 9585 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 10577 | 10616 |
| Ratio of Total Citations to Distinct Citing Papers | 1.11 | 1.11 |
| Self-Citation Percentage |
0.52%
|
|
Hayflick, Leonard
University of California, San Francisco,
United States
2024 Rank: 21667
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Biochemistry & Molecular Biology
SubField 2:
Gerontology
Rank in SubField 1: 983 out of 208384 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 21667 | 25905 |
| Total Cites | 11103 | 11165 |
| H-index | 22 | 22 |
| Hm-index | 16 | 16 |
| Number of Single Authored Papers | 69 | 69 |
| Total Cites to Single Authored Papers | 3972 | 3981 |
| Number of Single+First Authored Papers | 79 | 79 |
| Total Cites to Single+First Authored Papers | 8626 | 8650 |
| Number of Single+First+Last Authored Papers | 109 | 109 |
| Total Cites to Single+First+Last Authored Papers | 8937 | 8977 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 9981 | 10020 |
| Ratio of Total Citations to Distinct Citing Papers | 1.11 | 1.11 |
| Self-Citation Percentage |
0.56%
|
|
Hayflick, Leonard
University of California, San Francisco,
United States
2023 Rank: 20677
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Biochemistry & Molecular Biology
SubField 2:
General & Internal Medicine
Rank in SubField 1: 979 out of 204091 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 20677 | 25311 |
| Total Cites | 10537 | 10599 |
| H-index | 22 | 22 |
| Hm-index | 16 | 16 |
| Number of Single Authored Papers | 70 | 70 |
| Total Cites to Single Authored Papers | 3814 | 3823 |
| Number of Single+First Authored Papers | 81 | 81 |
| Total Cites to Single+First Authored Papers | 8132 | 8156 |
| Number of Single+First+Last Authored Papers | 110 | 110 |
| Total Cites to Single+First+Last Authored Papers | 8430 | 8470 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 9466 | 9505 |
| Ratio of Total Citations to Distinct Citing Papers | 1.11 | 1.12 |
| Self-Citation Percentage |
0.58%
|
|
Hayflick, Leonard
University of California, San Francisco,
United States
2022 Rank: 20053
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Biochemistry & Molecular Biology
SubField 2:
Gerontology
Rank in SubField 1: 1005 out of 201173 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 20053 | 23979 |
| Total Cites | 9844 | 9905 |
| H-index | 21 | 22 |
| Hm-index | 16 | 16 |
| Number of Single Authored Papers | 72 | 72 |
| Total Cites to Single Authored Papers | 3600 | 3609 |
| Number of Single+First Authored Papers | 83 | 83 |
| Total Cites to Single+First Authored Papers | 7542 | 7566 |
| Number of Single+First+Last Authored Papers | 112 | 112 |
| Total Cites to Single+First+Last Authored Papers | 7816 | 7855 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 8837 | 8875 |
| Ratio of Total Citations to Distinct Citing Papers | 1.11 | 1.12 |
| Self-Citation Percentage |
0.62%
|
|
Hayflick, Leonard
University of California, San Francisco,
United States
2021 Rank: 19970
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Biochemistry & Molecular Biology
SubField 2:
Gerontology
Rank in SubField 1: 1007 out of 189264 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 19970 | 23869 |
| Total Cites | 9452 | 9513 |
| H-index | 20 | 21 |
| Hm-index | 16 | 16 |
| Number of Single Authored Papers | 71 | 71 |
| Total Cites to Single Authored Papers | 3462 | 3471 |
| Number of Single+First Authored Papers | 82 | 82 |
| Total Cites to Single+First Authored Papers | 7228 | 7252 |
| Number of Single+First+Last Authored Papers | 110 | 110 |
| Total Cites to Single+First+Last Authored Papers | 7491 | 7530 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 8497 | 8535 |
| Ratio of Total Citations to Distinct Citing Papers | 1.11 | 1.11 |
| Self-Citation Percentage |
0.64%
|
|
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