Medical and health researchers

Hiroshi Itoh

Hiroshi Itoh (伊藤裕) is a Japanese nephrologist and endocrinologist who was Professor and Chairman of Endocrinology, Metabolism, and Nephrology at Keio University School of Medicine from 2006 to 2023.

Hiroshi Kawaguchi (orthopedic surgeon)

Hiroshi Kawaguchi (川口浩) is a Japanese orthopedic surgeon-scientist who spent most of his career at the University of Tokyo and led the ROAD osteoarthritis cohort study.

Hiroshi Maeda

Hiroshi Maeda (前田浩; 1938–2021) was a Japanese drug delivery scientist who discovered the EPR effect, the basis of cancer nanomedicine, and created the drug SMANCS.

Hiroyoshi Nishikawa

Hiroyoshi Nishikawa (西川博嘉, born 1970) is a Japanese tumor immunologist known for work on regulatory T cells in cancer immunity and the immuno-genomic cancer progression hypothesis.

Hisamaru Hirai

Hisamaru Hirai (平井久丸, 1952–2003) was a Japanese hematologist and oncologist, professor at the University of Tokyo, known for work on the molecular genetics of leukemia and MDS.

Hisao Ogawa

Hisao Ogawa (小川久雄, born 1953) is a Japanese cardiologist who became the 14th president of Kumamoto University in 2021, after leading the National Cerebral and Cardiovascular Center.

Hisashi Arase

Hisashi Arase (荒瀬尚) is a Japanese immunologist and professor at the University of Osaka known for work on autoimmunity, immune regulation, and host-pathogen interactions.

Hisataka Kobayashi (小林久隆) is a Japanese-born physician-scientist and Senior Investigator at the National Cancer Institute in Bethesda, Maryland, known for developing near-infrared photoimmunotherapy, approved in Japan in 2020.

Hisham Mehanna

Hisham Mehanna (Hisham Mohamed Mehanna) is a British head and neck surgeon, Professor at the University of Birmingham, known for the PET-NECK and De-ESCALaTE HPV trials.

Hitinder S. Gurm

Hitinder S. Gurm is an interventional cardiologist at the University of Michigan who directs the statewide BMC2 quality collaborative and serves as interim Chief Medical Officer of Michigan Medicine.

Hitoshi Kikutani

Hitoshi Kikutani is a Japanese immunologist and professor at Osaka University known for identifying CD23 as the IgE receptor and pioneering the immune semaphorin concept.

Hitoshi Takahashi

Hitoshi Takahashi (高橋均) is a Japanese neuropathologist, professor emeritus at Niigata University, known for showing that α-synuclein accumulates in Lewy bodies in Parkinson's disease.

Hjalmar August Schiøtz

Hjalmar August Schiøtz (1850–1927) was a Norwegian ophthalmologist who introduced the indentation tonometer bearing his name in 1905, for decades the world's standard for measuring eye pressure.

Holcombe E. Grier

Holcombe E. Grier is an American pediatric oncologist and Professor of Pediatrics, Emeritus, at Harvard Medical School, based at Dana-Farber Cancer Institute, known for Ewing sarcoma trials and end-of-life care.

Holger J. Schünemann

Holger J. Schünemann, also known as Holger Schünemann, is a physician-scientist in clinical epidemiology known for co-leading GRADE, the worldwide system for rating medical evidence.

Holger K. Eltzschig

Holger K. Eltzschig is a German-trained anesthesiologist and physician-scientist who chairs anesthesiology at UTHealth Houston, known for NEJM reviews on hypoxia and inflammation and pharmacologic organ protection.

Hölger Thiele

Holger Thiele (born 1969) is a German cardiologist who directs cardiology at the Heart Center Leipzig and is known for the cardiogenic shock trials ECLS-SHOCK, TOMAHAWK, and CULPRIT-SHOCK.

Holger Werfel Scheuermann

Holger Werfel Scheuermann (1877–1960) was a Danish surgeon and radiologist in Copenhagen who in 1920 described the rigid adolescent spinal deformity known as Scheuermann's disease, using X-rays to distinguish it from postural hunch-back.

Holger Willenbring

Holger Willenbring is a German-trained physician-scientist and Professor of Surgery at UCSF, where he directs the Liver Center and works on liver regeneration and stem-cell-based liver therapy.

Hooman Kamel

Hooman Kamel is an American neurologist and clinical scientist at Weill Cornell Medicine known for research on stroke prevention, especially the link between cardiac disease and ischemic stroke.

Hoosen Coovadia

Hoosen Coovadia, known as Jerry, was a South African pediatrician and HIV researcher at the University of KwaZulu-Natal whose work on preventing mother-to-child HIV transmission changed clinical practice across Africa, and who opposed AIDS denialism.

Hope S. Rugo

Hope S. Rugo is an American medical oncologist specializing in breast cancer, known for the phase 3 CAPItello-291 and ASCENT trials and, since 2025, chief of breast medical oncology at City of Hope.

Horace H. Loh

Horace H. Loh (罗浩) is a pharmacologist and neuroscientist known for research on morphine addiction and opioid receptors, a Regents Professor at the University of Minnesota.

Horace M. Gezon

Horace M. Gezon was an American epidemiologist and professor at the University of Pittsburgh who traced newborn nursery infection outbreaks and ran controlled hexachlorophene bathing trials in infants.

Sep 17, 2026

Horace W. Davenport

Horace W. Davenport, also known as Horace Willard Davenport, was an American gastrointestinal physiologist who defined the gastric mucosal barrier and chaired physiology at the University of Michigan from 1956.

Horacio J. Adrogué

Horacio J. Adrogué, also published as H. J. Adrogue, is an Argentine-American nephrologist at Baylor College of Medicine known for his sodium-correction formulas for treating sodium disorders.

Horatio Curtis Wood Jr.

Horatio Curtis Wood Jr. (1841–1920) was an American physician and pharmacologist in Philadelphia, a longtime University of Pennsylvania professor and president of the US Pharmacopeial Convention.

Hossein Borghaei

Hossein Borghaei is an American medical oncologist who leads thoracic medical oncology at Fox Chase Cancer Center in Philadelphia and led the CheckMate 057 trial of nivolumab in lung cancer.

Housheng Hansen He

Housheng Hansen He is a Senior Scientist at the Princess Margaret Cancer Centre and University of Toronto professor known for prostate cancer epigenetics, transcriptional regulation, and circular RNA research.