Stats for nerds
The index by the numbers — computed from public OpenAlex data, refreshed Jul 20, 2026.
PI profiles
20,795
Publications
939,474
Universities
3
Research areas
26
AI summaries
20,578
Purdue University West Lafayette · 6,735 PIs
- Engineering×2.0
- Materials Science×1.7
- Computer Science×1.6
The Ohio State University · 8,984 PIs
- Dentistry×1.6
- Immunology and Microbiology×1.4
- Medicine×1.4
Indiana University · 5,075 PIs
- Arts and Humanities×1.9
- Business, Management and Accounting×1.7
- Neuroscience×1.5
| Field | PIs | Median group size | Median pubs/yr | Early-career share |
|---|---|---|---|---|
| Medicine | 5,356 | ~4 | 4.0 | 12% |
| Engineering | 2,372 | ~3 | 3.4 | 16% |
| Biochemistry, Genetics and Molecular Biology | 2,084 | ~4 | 3.6 | 14% |
| Physics and Astronomy | 1,497 | ~3 | 3.6 | 17% |
| Social Sciences | 1,466 | ~2 | 2.2 | 12% |
| Computer Science | 1,176 | ~2 | 3.4 | 19% |
| Agricultural and Biological Sciences | 861 | ~2 | 2.6 | 12% |
| Environmental Science | 803 | ~2 | 3.2 | 12% |
| Materials Science | 687 | ~3 | 3.2 | 20% |
| Neuroscience | 674 | ~3 | 2.8 | 13% |
- Immunology and Microbiology+56%
- Biochemistry, Genetics and Molecular Biology+33%
- Energy+30%
- Physics and Astronomy+23%
- Computer Science+18%
Biggest collaboration: a 2018 paper with 100+ authors (our counter tops out at 100 — thanks, particle physics).
Longest paper title in the index: 5,000 characters. It begins: “Poster session 1Cell growth, differentiation and stem cells - Heart72Understanding the met…”
4,281 researchers have publication records spanning 40+ years.
Mean citations per PI: 3,486; median: 812 — welcome to academic skew.
- 1.Elaine R. MardisThe Ohio State University343,511
- 2.Xiangyu ZhangPurdue University West Lafayette319,618
- 3.Wei HuangThe Ohio State University263,358
- 4.Richard K. WilsonThe Ohio State University250,276
- 5.Jeffrey I. GordonThe Ohio State University247,077
- 6.P. JacksonIndiana University220,448
- 7.E. RossiThe Ohio State University212,868
- 8.Lei JiangIndiana University210,349
- 9.L. LiPurdue University West Lafayette200,152
- 10.Carlo M. CroceThe Ohio State University199,080
- 1.Hui LiThe Ohio State University8,746
- 2.Julia LaskinPurdue University West Lafayette8,670
- 3.Xi ZhangThe Ohio State University8,614
- 4.Wei HuangThe Ohio State University5,852
- 5.Mikayla BortonThe Ohio State University4,808
- 6.Ping ZhangThe Ohio State University4,477
- 7.P. JacksonIndiana University3,940
- 8.Bharat BhushanThe Ohio State University3,743
- 9.L. LiPurdue University West Lafayette3,265
- 10.S. MalikPurdue University West Lafayette3,186
All figures computed from public OpenAlex bibliographic records for researchers in our index (3 universities). Leaderboards use raw public counts only; lab-shape figures are aggregate estimates and are never attributed to individuals.