Report summary

Harvard University Department of Population in 2020-2026 reads as a 44-PI network with 112 internal PI collaborations. The dominant subject mix is Medicine as the leading field (43% of slots across 36 PIs; 36 labels), Public Health, Environmental and Occupational Health as the leading subfield (9% of slots across 10 PIs; 10 labels), and Global Cancer Incidence and Screening as the leading topic (2% of slots across 3 PIs; 3 labels). That is promising: collaboration is not just one large hairball, and the leading breakdown groups cover 24 PIs across distinct clusters. The leading PI names are S. V. Subramanian (75.3 weighted works; Child Nutrition and Water Access, Global Maternal and Child Health). The most visible ties are Michael Klompas and Chanu Rhee (102 shared works, weight 63.3). The leading breakdown groups are group 1 with 9 PIs, 10 internal connections, weight 118.4, around Epidemiology, Economics and Econometrics, Infectious Diseases, led by Michael Klompas, Chanu Rhee, Rui Wang.