Hayflick, Leonard
UCSF School of Medicine,
United States
2025 Rank: 99445
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
General & Internal Medicine
SubField 2:
Microbiology
Rank in SubField 1: 1231 out of 348741 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 99445 | 113846 |
| Total Cites | 2204 | 2246 |
| H-index | 19 | 20 |
| Hm-index | 16 | 16 |
| Number of Single Authored Papers | 32 | 32 |
| Total Cites to Single Authored Papers | 1690 | 1708 |
| Number of Single+First Authored Papers | 39 | 39 |
| Total Cites to Single+First Authored Papers | 1768 | 1787 |
| Number of Single+First+Last Authored Papers | 59 | 59 |
| Total Cites to Single+First+Last Authored Papers | 2025 | 2057 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1904 | 1928 |
| Ratio of Total Citations to Distinct Citing Papers | 1.16 | 1.16 |
| Self-Citation Percentage |
1.87%
|
|
Hayflick, Leonard
University of California, San Francisco,
United States
2024 Rank: 93656
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
General & Internal Medicine
SubField 2:
Microbiology
Rank in SubField 1: 1172 out of 333256 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 93656 | 107645 |
| Total Cites | 2126 | 2169 |
| H-index | 19 | 20 |
| Hm-index | 16 | 16 |
| Number of Single Authored Papers | 34 | 34 |
| Total Cites to Single Authored Papers | 1640 | 1659 |
| Number of Single+First Authored Papers | 39 | 39 |
| Total Cites to Single+First Authored Papers | 1710 | 1730 |
| Number of Single+First+Last Authored Papers | 59 | 59 |
| Total Cites to Single+First+Last Authored Papers | 1955 | 1988 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1840 | 1864 |
| Ratio of Total Citations to Distinct Citing Papers | 1.16 | 1.16 |
| Self-Citation Percentage |
1.98%
|
|
Hayflick, Leonard
UCSF School of Medicine,
United States
2023 Rank: 89525
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
General & Internal Medicine
SubField 2:
Microbiology
Rank in SubField 1: 1140 out of 321279 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 89525 | 103041 |
| Total Cites | 2028 | 2071 |
| H-index | 19 | 20 |
| Hm-index | 16 | 16 |
| Number of Single Authored Papers | 35 | 35 |
| Total Cites to Single Authored Papers | 1557 | 1576 |
| Number of Single+First Authored Papers | 40 | 40 |
| Total Cites to Single+First Authored Papers | 1626 | 1646 |
| Number of Single+First+Last Authored Papers | 61 | 61 |
| Total Cites to Single+First+Last Authored Papers | 1862 | 1895 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1750 | 1774 |
| Ratio of Total Citations to Distinct Citing Papers | 1.16 | 1.17 |
| Self-Citation Percentage |
2.08%
|
|
Hayflick, Leonard
UCSF School of Medicine,
United States
2022 Rank: 86001
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
General & Internal Medicine
SubField 2:
Microbiology
Rank in SubField 1: 1089 out of 311132 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 86001 | 98297 |
| Total Cites | 1893 | 1936 |
| H-index | 19 | 20 |
| Hm-index | 16 | 16 |
| Number of Single Authored Papers | 33 | 33 |
| Total Cites to Single Authored Papers | 1445 | 1464 |
| Number of Single+First Authored Papers | 38 | 38 |
| Total Cites to Single+First Authored Papers | 1510 | 1530 |
| Number of Single+First+Last Authored Papers | 59 | 59 |
| Total Cites to Single+First+Last Authored Papers | 1735 | 1768 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1633 | 1657 |
| Ratio of Total Citations to Distinct Citing Papers | 1.16 | 1.17 |
| Self-Citation Percentage |
2.22%
|
|
Hayflick, Leonard
UCSF School of Medicine,
United States
2021 Rank: 82951
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Biochemistry & Molecular Biology
SubField 2:
Gerontology
Rank in SubField 1: 3520 out of 189264 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 82951 | 94833 |
| Total Cites | 1836 | 1877 |
| H-index | 19 | 20 |
| Hm-index | 16 | 16 |
| Number of Single Authored Papers | 33 | 33 |
| Total Cites to Single Authored Papers | 1398 | 1416 |
| Number of Single+First Authored Papers | 38 | 38 |
| Total Cites to Single+First Authored Papers | 1461 | 1480 |
| Number of Single+First+Last Authored Papers | 59 | 59 |
| Total Cites to Single+First+Last Authored Papers | 1682 | 1713 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1587 | 1610 |
| Ratio of Total Citations to Distinct Citing Papers | 1.16 | 1.17 |
| Self-Citation Percentage |
2.18%
|
|
Hayflick, Leonard
UCSF School of Medicine,
United States
2020 Rank: 63165
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Public Health & Health Services
SubField 1:
Gerontology
SubField 2:
Anatomy & Morphology
Rank in SubField 1: 116 out of 8873 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 63165 | 73996 |
| Total Cites | 1893 | 1935 |
| H-index | 21 | 22 |
| Hm-index | 18 | 18 |
| Number of Single Authored Papers | 37 | 37 |
| Total Cites to Single Authored Papers | 1445 | 1463 |
| Number of Single+First Authored Papers | 44 | 44 |
| Total Cites to Single+First Authored Papers | 1506 | 1525 |
| Number of Single+First+Last Authored Papers | 69 | 69 |
| Total Cites to Single+First+Last Authored Papers | 1736 | 1768 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1631 | 1654 |
| Ratio of Total Citations to Distinct Citing Papers | 1.16 | 1.17 |
| Self-Citation Percentage |
2.17%
|
|
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