Medical and health researchers

Thomas Lewis (cardiologist)

Sir Thomas Lewis (1881–1945) was a Welsh-born British cardiologist who brought the electrocardiograph to the bedside, advanced the study of atrial fibrillation, and founded the journal Heart.

Thomas M. Bashore is an American cardiologist and Professor Emeritus of Medicine at Duke University, known for cardiac catheterization safety, contrast-induced kidney injury, and valvular heart disease.

Thomas M. Coffman

Thomas M. Coffman is an American nephrologist and hypertension researcher at Duke University, whose mouse studies showed angiotensin II raises blood pressure through the kidney.

Thomas M. Gill

Thomas M. Gill is an American geriatrician and clinical epidemiologist at Yale School of Medicine, a leading authority on disability among older persons who directs the Yale Program on Aging.

Thomas M. Hooton

Thomas M. Hooton is an infectious diseases physician-researcher at the University of Miami and Miami VA, known for research on urinary tract infection in women and IDSA UTI guidelines.

Thomas M. Lietman

Thomas M. Lietman is an American ophthalmologist at the University of California, San Francisco, who directs the Proctor Foundation and led the MORDOR and AVENIR azithromycin trials.

Thomas M. Mack

Thomas M. Mack (1936–2025) was an American epidemiologist and 47-year USC professor known for smallpox transmission studies in Pakistan and founding the USC Cancer Surveillance Program.

Thomas Meade (British epidemiologist)

Thomas Wilson Meade (1936–2022) was a British epidemiologist who directed the MRC Epidemiology and Medical Care Unit at Northwick Park and led the Northwick Park Heart Study.

Thomas Michel

Thomas Michel is an American physician-scientist and cardiologist at Harvard Medical School and Brigham and Women's Hospital, known for research on nitric oxide and redox signaling in the cardiovascular system.

Thomas Münzel

Thomas Münzel is a German cardiologist at the University Medical Center of Johannes Gutenberg University Mainz, known for work on nitrate tolerance, noise, and air pollution as cardiovascular risk factors.

Thomas N. James

Thomas N. James (1925–2010) was an American cardiologist and cardiovascular pathologist known for research on the coronary arteries and conduction system, and served as president of the American Heart Association.

Thomas N. Williams

Thomas N. Williams, known as Tom Williams, is a British pediatrician and haemoglobinopathy researcher at Imperial College London who studies sickle cell disease and malaria resistance in Kilifi, Kenya.

Thomas O. Carpenter

Thomas O. Carpenter, also known as Thomas Carpenter, is an American pediatric endocrinologist, Professor Emeritus at Yale, who led the 2018 burosumab trial for X-linked hypophosphatemia.

Sep 17, 2026

Thomas P. Cappola

Thomas P. Cappola is an American cardiologist and genetic epidemiologist who studies heart failure; he is Chief of Cardiovascular Medicine at the University of Pennsylvania and received a 2008 Presidential Early Career Award.

Thomas P. Duffy

Thomas P. Duffy (1937–2022) was an American hematologist and medical ethicist who taught at Yale School of Medicine for 38 years and initiated the New England Journal of Medicine's "Clinical Reasoning" essays.

Thomas P. Hackett

Thomas P. Hackett (1928–1988) was an American consultation-liaison psychiatrist who led Massachusetts General Hospital's psychiatry service, studied the psychology of heart disease and cancer, and held Harvard's Eben S. Draper Professorship.

Thomas Pilgrim

Thomas Pilgrim is a Swiss interventional cardiologist at the Inselspital, University Hospital Bern, where he became Deputy Chief Physician and Head of Valvular Heart Diseases in 2020.

Thomas Powles

Thomas Powles is a British medical oncologist, Professor of Genitourinary Oncology and Director of Barts Cancer Centre in London, known for bladder cancer trials including NIAGARA and EV-302.

Thomas R. Dawber

Thomas R. Dawber (1913–2005) was a Canadian-born American physician and epidemiologist who directed the Framingham Heart Study, which identified the major risk factors for coronary heart disease.

Thomas R. Frieden

Thomas R. Frieden is an American public health physician who directed the CDC from 2009 to 2017 and led New York City's health department, eliminating artificial trans fats.

Thomas R. Hendrix

Thomas R. Hendrix was an American gastroenterologist who founded and directed the Johns Hopkins Division of Gastroenterology from 1957 to 1988, and served as president of the American Gastroenterological Association.

Thomas R. Insel

Thomas R. Insel is an American neuroscientist and psychiatrist who directed the National Institute of Mental Health from 2002 to 2015 and later led mental health at Google's Verily.

Thomas Rösch

Thomas Rösch, born 1958 in Munich, is a German gastroenterologist and professor who directs interdisciplinary endoscopy at University Medical Center Hamburg-Eppendorf and co-authored a 2019 New England Journal achalasia trial.

Sep 17, 2026

Thomas S. Inui

Thomas S. Inui is an American physician-investigator in general internal medicine and health services research, elected to the National Academy of Medicine in 1990 and known for relationship-centered care.

Thomas Stephen Cullen

Thomas Stephen Cullen (1868–1953) was a Canadian-born gynecologist at Johns Hopkins who founded gynecologic pathology in North America, wrote classic monographs on uterine disease, and described Cullen's sign.

Thomas Thum

Thomas Thum is a German cardiologist and professor at Hannover Medical School who established microRNAs as drug targets in heart failure and co-founded Cardior Pharmaceuticals.

Thomas W. Gardner

Thomas W. Gardner, full name Thomas Wright Gardner, is an ophthalmologist and professor at the University of Michigan Kellogg Eye Center known for research on diabetic retinopathy.

Thomas W. Geisbert

Thomas W. Geisbert is an American virologist known for Ebola and Marburg research since the 1980s, now a professor at the University of Texas Medical Branch in Galveston.

Thomas W. Smith

Thomas Woodward Smith (1936–1997) was an American cardiologist who led cardiology at Brigham and Women's Hospital for 22 years and developed digitalis radioimmunoassay and antibody treatment for digitalis poisoning.