1,516 articles
Irl B. Hirsch
Irl B. Hirsch is an American endocrinologist and professor of medicine at the University of Washington School of Medicine, known for his work on insulin therapy.
Irvine H. Page
Irvine H. Page was an American physician and physiologist who pioneered hypertension research, co-discovered serotonin and angiotensin, proposed the mosaic theory, and directed research at the Cleveland Clinic.
Irwin H. Rosenberg
Irwin H. Rosenberg is an American physician and nutrition scientist at Tufts University who led its Human Nutrition Research Center on Aging and studies folate, vitamin B12, and brain aging.
Irwin J. Kopin
Irwin J. Kopin was an American physician-scientist at the NIH who studied catecholamines, led NINDS as scientific director from 1983 to 1994, and published more than 730 articles.
Isabelle C. Van Gelder
Isabelle C. Van Gelder is a Dutch cardiologist and professor at University Medical Center Groningen who led the RACE trials on rate versus rhythm control in atrial fibrillation.
Israel Kleiner (biochemist)
Israel Simon Kleiner (1885–1966) was an American biochemist at the Rockefeller Institute who first demonstrated that pancreatic extracts lower blood sugar in diabetic dogs, before insulin was purified in 1921.
Issei Komuro
Issei Komuro is a Japanese cardiologist and physician-scientist, a project professor at the University of Tokyo, known for research on molecular mechanisms of heart failure and cardiac aging.
Itamar Raz
Itamar Raz is an Israeli endocrinologist and professor at Hebrew University–Hadassah who heads the Israel National Diabetes Council and co-led the SAVOR-TIMI 53 saxagliptin trial.
Ivor M.D. Jackson
Ivor M.D. Jackson is a physician-scientist in neuroendocrinology known for research on thyrotropin-releasing hormone, including brain TRH independent of the hypothalamus and TRH across vertebrates, at Tufts University.
J. Michael Gaziano
J. Michael Gaziano is an American preventive cardiologist and chronic disease epidemiologist at VA Boston and Harvard Medical School who directs the VA Boston epidemiology center and helps lead the Million Veteran Program.
J. Thomas Bigger
J. Thomas Bigger (1935–2017) was an American cardiologist at Columbia University who led the CAST trial and defined how doctors predict sudden death after myocardial infarction.
J. Warren Harthorne
J. Warren Harthorne is an American cardiologist, Professor of Medicine Emeritus at Harvard Medical School and a longtime Massachusetts General Hospital cardiologist, known for cardiac pacing and coronary angiography.
J.R.A. Mitchell
J.R.A. Mitchell, John Richard Anthony Mitchell (1928–1991), was a British cardiologist and the first clinical professor of the University of Nottingham medical school, known for platelet research.
Jaakko Tuomilehto
Jaakko Tuomilehto is a Finnish epidemiologist and professor emeritus at the University of Helsinki known for the Finnish Diabetes Prevention Study and the FINDRISC risk score.
Jack A. Yanovski
Jack A. Yanovski, born 1960 in Philadelphia, is an American pediatric endocrinologist and NIH researcher whose trials defined drug treatment limits for childhood obesity and the role of BDNF in body-weight regulation.
Jack H. Oppenheimer
Jack H. Oppenheimer (1927–2006) was a German-born American endocrinologist who defined how thyroid hormone acts in cells, set the levothyroxine replacement dose for hypothyroidism, and led the American Thyroid Association in 1986.
Jack Orloff
Jack Orloff was an American kidney physiologist at NIH who showed how antidiuretic hormone acts through cyclic AMP and led NHLBI research from 1974 to 1988.
Jack V. Tu
Jack V. Tu (1965–2018) was a Canadian cardiologist at the University of Toronto and ICES who measured and improved the quality of cardiac care in Ontario.
Jacob Eifer Møller
Jacob Eifer Møller is a Danish cardiologist and clinical professor at the University of Southern Denmark and Odense University Hospital, known for leading the DanGer Shock trial.
Jacob Selhub
Jacob Selhub, also known as Yakov Selhub, was a nutritional biochemist born in Libya in 1937 who led the Vitamin Metabolism Laboratory at Tufts and linked folate status to vascular disease.
Jacques Clémenty
Jacques Clémenty is a French cardiologist specializing in cardiac electrophysiology who led the Bordeaux team that identified pulmonary veins as the trigger of atrial fibrillation.
Jacques Genest
Jacques Genest (1919–2018) was a Canadian physician and hypertension researcher who founded and directed the Montreal Clinical Research Institute, and whose work on the renin–angiotensin–aldosterone system helped establish the hormonal basis of high blood pressure.
Jae K. Oh
Jae K. Oh, also known as Jae Oh, is a Korean-born cardiologist at Mayo Clinic in Rochester, Minnesota, known for echocardiography and the CoreValve TAVR trial imaging analyses.
Jagat Narula
Jagat Narula is an Indian-American cardiologist known for imaging vulnerable heart plaques and describing apoptosis in heart failure, and president of the World Heart Federation since 2025.
James A. de Lemos
James A. de Lemos, also published as James de Lemos, is an American cardiologist at UT Southwestern known for biomarker research and the Dallas Heart Study.
James A. Fagin
James A. Fagin is an Argentine-born American physician-scientist who studies and treats thyroid cancer at Memorial Sloan Kettering Cancer Center, known for restoring radioiodine uptake in refractory tumors.
James B. Bassingthwaighte
James B. Bassingthwaighte was a Canadian-born cardiovascular physiologist and bioengineer at the University of Washington who modeled blood flow in organs and founded the Physiome Project in 1997.
James B. Meigs
James B. Meigs is an American physician-scientist and genetic epidemiologist at Harvard Medical School and Massachusetts General Hospital who studies the cause and prevention of type 2 diabetes.
James B. Seward
James B. Seward is an American cardiologist and echocardiographer who directed Mayo Clinic's Echocardiography Laboratory in Rochester, Minnesota, and helped develop the Tei index and AcuNav catheter.
James Bristow
James Bristow is a physician-scientist in pediatric cardiology and human genetics, a UCSF professor who showed that tenascin-X deficiency causes a recessive form of Ehlers–Danlos syndrome.