Medical and health researchers

Attallah Kappas

Attallah Kappas (1926–2018) was an American physician-scientist in clinical pharmacology who spent over fifty years at The Rockefeller University, serving as physician-in-chief from 1974 to 1991.

Attilio Maseri

Attilio Maseri (1935–2021) was an Italian cardiologist who proved coronary artery spasm causes variant angina and led cardiology departments in Pisa, London, Rome, and Milan.

Atul K. Bhan

Atul K. Bhan is a physician-scientist who is Professor of Pathology at Harvard Medical School and a pathologist at Massachusetts General Hospital, known for inflammatory bowel disease research.

Atul Malhotra

Atul Malhotra is a physician-scientist in sleep medicine and critical care at UC San Diego, where he led the 2024 trial showing tirzepatide can treat obstructive sleep apnea.

Atul Verma

Atul Verma is a Canadian cardiac electrophysiologist, Professor of Medicine at McGill University and Director of Cardiology at the MUHC, known for landmark atrial fibrillation trials.

Aubrey Otis Hampton (1900–1955) was an American radiologist, chief of radiology at Massachusetts General Hospital, whose 1940 study with Benjamin Castleman described the Hampton hump of pulmonary infarction.

August Bier

August Bier (1861–1949) was a German surgeon who introduced spinal anesthesia and the Bier block, both still used worldwide, and was nominated 40 times for the Nobel Prize.

August von Wassermann

August von Wassermann (1866–1925) was a German bacteriologist who introduced the Wassermann reaction, the first blood-serum test for syphilis, in 1906 with Albert Neisser and Carl Bruck.

Auguste Forel

Auguste-Henri Forel (1848–1931) was a Swiss psychiatrist, neuroanatomist, and entomologist who directed Zurich's Burghölzli asylum and became a founding figure of myrmecology, the study of ants.

Auguste Rollier

Auguste Rollier (1874–1954) was a Swiss physician and surgeon who pioneered heliotherapy, curing surgical tuberculosis through graduated sunbathing at his network of clinics in Leysin, Switzerland.

Augustin Nicolas Gilbert

Augustin Nicolas Gilbert (1858–1927) was a French physician and professor of clinical medicine at the Hôtel-Dieu in Paris, known for describing Gilbert's syndrome, a benign familial jaundice.

Augusto A. Litonjua

Augusto A. Litonjua is a pulmonologist and epidemiologist who is Chief of Pediatric Pulmonology at the University of Rochester Medical Center, known for leading the VDAART trial of prenatal vitamin D to prevent childhood asthma.

Augusto Villanueva

Augusto Villanueva Rodriguez is a Spanish-trained hepatologist known for widely cited reviews of hepatocellular carcinoma and for directing the Liver Cancer Program at NYU Langone's Perlmutter Cancer Center.

Augustus Roi Felty

Augustus Roi Felty (1895–1964) was an American physician who described Felty syndrome, a rare complication of rheumatoid arthritis, in 1924 while a resident at Johns Hopkins Hospital.

Austin L. Vickery

Austin L. Vickery (1919–2005) was an American pathologist who spent over fifty years at Massachusetts General Hospital, presented 169 MGH Case Records, and pioneered thyroid needle biopsy diagnosis.

Avedis Donabedian

Avedis Donabedian (1919–2000) was a Lebanese-born Armenian-American physician and health services researcher who founded quality-of-care research and created its structure, process, and outcome framework, spending most of his career at the University of Michigan.

Avery A. Sandberg

Avery A. Sandberg (1921–2016) was an American cancer researcher who pioneered the study of chromosomes in cancer and first reported a human XYY male in 1961.

Avindra Nath

Avindra Nath is a physician-scientist in neurovirology who has served as Clinical Director of NINDS at NIH since 2011, known for HIV, COVID-19, and ME/CFS research.

Avram Goldstein

Avram Goldstein (1919–2012) was an American pharmacologist who built Stanford's pharmacology department, founded the journal Molecular Pharmacology, and discovered dynorphin, a brain opioid peptide 200 times more powerful than morphine.

Avroy A. Fanaroff

Avroy A. Fanaroff, also known as A. A. Fanaroff, is a South African-born American neonatologist in Cleveland known for his studies of extremely low birth weight infants and his neonatology textbooks.

Avy Violari

Avy Violari is a South African pediatrician and HIV researcher who heads the Paediatric Research and Care program at the Perinatal HIV Research Unit in Soweto.

Axel Grothey

Axel Grothey is a German-trained medical oncologist directing gastrointestinal cancer research at West Cancer Center in Tennessee since 2018, known for the BEACON CRC and IDEA colorectal cancer studies.

Axel Hauschild

Axel Hauschild is a German dermatologic oncologist and professor at Kiel University who led the BREAK-3 trial of dabrafenib in metastatic melanoma and became president of the Melanoma World Society in 2021.

Axel Holst

Axel Holst (1860–1931) was a Norwegian physician and professor of hygiene at the University of Oslo who, with Theodor Frølich, produced scurvy experimentally in guinea pigs in 1907.

Axel Kahn

Axel Kahn (1944-2021) was a French physician-geneticist and Inserm research director who studied liver molecular genetics and gene therapy, led the Institut Cochin and Université Paris Descartes, and became a prominent French voice on bioethics.

Axel Westman

Axel Westman, born Axel Edvard Westman (1894–1960), was a Swedish obstetrician and gynecologist who held professorships at Uppsala, Lund, and the Karolinska Institute, researched ovum transit in the fallopian tubes, and founded Acta Endocrinologica.

Sep 17, 2026

Aziz Sheikh

Aziz Sheikh is a British primary care physician and health-data scientist, Nuffield Professor at Oxford, elected to the US National Academy of Medicine in 2024.

Azra Ghani

Azra Ghani is a British infectious disease epidemiologist and mathematical modeller of malaria, professor at Imperial College London and director of the MRC Centre for Global Infectious Disease Analysis.

B. Frank Polk

B. Frank Polk (1942–1988) was an American physician-epidemiologist at Johns Hopkins University who led early AIDS research, designing the Baltimore component of the Multicenter AIDS Cohort Study, the world's longest-running AIDS cohort study.