Medical and health researchers

Hans Lehrach

Hans Lehrach, born in 1946 in Vienna, is a German geneticist and genome researcher, director at the Max Planck Institute for Molecular Genetics in Berlin.

Hans Pópper

Hans Popper (1903–1988) was an Austrian-born pathologist and hepatologist, called the founder of modern hepatology, who built his career in Chicago and at Mount Sinai in New York.

Hans R. Brunner

Hans R. Brunner, born 1937, is a Swiss physician-scientist and Professor Emeritus of Medicine at the University of Lausanne known for renin research and early ACE inhibitor testing.

Hans Reiter (bacteriologist)

Hans Reiter (1881–1969) was a German bacteriologist who served as president of the Reich Health Office from 1933 to 1945 and helped plan typhus experiments on Buchenwald prisoners.

Sep 17, 2026

Hans Selye (1907-1982), Austrian-born Canadian endocrinologist, father of stress research; proposed the 1936 general adaptation syndrome (alarm, resistance, exhaustion), named stress and glucocorticoids, wrote 39 books, never won the Nobel Prize.

Hans Wedel

Hans Wedel (born 1940) was a Swedish cardiologist and biostatistician in Gothenburg, professor at the Nordic School of Public Health, known for the 4S and SOS trials.

Hans Zellweger

Hans Zellweger (Hans Ulrich Zellweger, 1909–1990) was a Swiss-American pediatrician and University of Iowa professor whose patients led to Zellweger syndrome being named for him.

Hans Zinsser

Hans Zinsser (1878–1940) was an American bacteriologist and immunologist, the Charles Wilder Professor at Harvard Medical School and a leading authority on epidemic typhus, best known for Rats, Lice and History.

Hans-Dieter Klenk

Hans-Dieter Klenk (1938–2021) was a German virologist who established that proteolytic cleavage of viral surface glycoproteins activates infectivity, explaining influenza pathogenicity; he led Marburg's virology institute from 1985 to 2007.

Hans-Rudolf Wiedemann

Hans-Rudolf Wiedemann (1915–2006) was a German pediatrician who independently described Beckwith-Wiedemann syndrome, a congenital overgrowth disorder, in the 1960s, directed children's clinics in Bonn, Krefeld, and Kiel, and was elected to the Leopoldina in 1969.

Hans‐Christoph Diener

Hans-Christoph Diener (born 1951) is a German neurologist who led neurology at Essen from 1989 to 2016, founded Germany's first stroke unit, and researched migraine.

Hans‐Henrik Parving

Hans-Henrik Parving was a Danish physician-scientist, professor at Rigshospitalet and long attached to Steno Diabetes Center Copenhagen, who showed early blood-pressure lowering and RAS blockade slow diabetic kidney disease.

Hans‐Joachim Anders

Hans-Joachim Anders, born 1967 in Göttingen, is a German nephrologist, Professor of Nephrology at LMU Munich, and head of its renal division, known for research on lupus nephritis and crystal-induced kidney injury.

Hans‐Joachim Schmoll

Hans-Joachim Schmoll is a German medical oncologist who led cancer research at Hannover and Halle, developed colorectal cancer treatments, and wrote ESMO consensus guidelines, winning the 2020 ESMO Award.

Hans‐Olov Adami

Hans-Olov Adami is a Swedish physician and cancer epidemiologist, trained as a surgeon, who led Karolinska Institutet's Department of Medical Epidemiology and Biostatistics from 1997 to 2008.

Hans‐Peter Hartung

Hans-Peter Hartung, born 1954, is a German neurologist and neuroimmunologist who led the Düsseldorf neurology department from 2001 to 2020 and led the 2002 mitoxantrone trial for progressive multiple sclerosis.

Hans‐Uwe Simon

Hans-Uwe Simon (born 1958 in Eisenach, Germany) is a German immunologist and pharmacologist known for research on eosinophil cell death, and president of Brandenburg Medical School in Neuruppin since 2021.

Haralambos Gavras

Haralambos Gavras is a Greek-born physician-scientist and Emeritus Professor of Cardiovascular Medicine at Boston University, known for introducing ACE inhibition and angiotensin II blockade for hypertension.

Harald C. Ott

Harald C. Ott is an Austrian-trained thoracic surgeon at Massachusetts General Hospital and Harvard who pioneered whole-organ regeneration by perfusion decellularization, creating bioartificial hearts, lungs, and kidneys.

Harald Jüppner

Harald Jüppner is a German-trained pediatric nephrologist and endocrine researcher who is Chief of Pediatric Nephrology at MassGeneral Hospital for Children and a Harvard Medical School professor.

Sep 17, 2026

Harald Reuter

Harald Reuter (1934–2022) was a German-born pharmacologist and physiologist, professor at the University of Bern from 1969 to 1999, credited with discovering cardiac calcium channels and sodium/calcium exchange.

Harald Schmidt

Harald Schmidt, also known as Harald H.H.W. Schmidt, is a pharmacologist and professor emeritus at Maastricht University, known for nitric oxide research and drug repurposing.

Harald Sonnenberg

Harald Sonnenberg (1935–2026) was a German-born renal physiologist at the University of Toronto who won the 1986 Canada Gairdner International Award for discovering atrial natriuretic factor.

Harald Stein

Harald Stein (born 1942 in Kiel) is a German hematopathologist who discovered Ki-67 and CD30, described new lymphoma entities, and led pathology at the Charité.

Harald zur Hausen

Harald zur Hausen (1936–2023) was a German virologist who established that HPV causes most cervical cancer, earning half of the 2008 Nobel Prize in Physiology or Medicine.

Sep 17, 2026

Hardeep Singh (physician)

Hardeep Singh is a physician and health services researcher at Baylor College of Medicine in Houston, known for measuring diagnostic error and co-developing the SAFER EHR safety guides.

Harish Nair

Harish Nair is a pediatric infectious diseases epidemiologist at the University of Edinburgh, known for the first widely cited global burden estimates of RSV and influenza child pneumonia.

Harlan M. Krumholz

Harlan M. Krumholz, also known as Harlan Krumholz, is an American cardiologist at Yale known for building national measures of hospital quality and pressing for open trial data.

Harley W. Moon

Harley W. Moon (1936–2018) was an American veterinary pathologist who showed how E. coli attaches to the gut and directed the USDA's National Animal Disease Center.