Medical and health researchers

Ralph S. Paffenbarger

Ralph S. Paffenbarger (1922–2007) was an American epidemiologist and Stanford professor who pioneered the epidemiologic study of physical activity, following more than 50,000 Harvard and Pennsylvania alumni for decades.

Ralph W. Kuncl

Ralph W. Kuncl is an American neurologist and ALS researcher who served as the 11th president of the University of Redlands from 2012 to 2021, after provostships at Bryn Mawr College and the University of Rochester.

Ralph Wedgwood (pediatric immunologist)

Ralph Wedgwood, or Ralph J. Wedgwood, was an English-born American pediatric immunologist who co-founded pediatric immunology, chairing Pediatrics at the University of Washington from 1963 to 1972.

Ralph Wright

Ralph Wright (1930–1990) was a South African-born British hepatologist and clinical immunologist, professor at Southampton, best known for linking the Australia antigen to chronic liver disease.

Rama Khokha

Rama Khokha is a Canadian cancer biologist, Senior Scientist at the Princess Margaret Cancer Centre and University of Toronto professor, known for work on the tumor microenvironment and TIMP genes.

Ramachandran S. Vasan

Ramachandran S. Vasan, also published as Vasan S. Ramachandran, is an Indian-born American cardiologist and Founding Dean of the School of Public Health at UT Health San Antonio.

Ramanan Laxminarayan

Ramanan Laxminarayan is an American health economist who studies antimicrobial resistance as an economics problem, leads the One Health Trust, and serves as a senior research scholar at Princeton University.

Ramani Durvasula

Ramani Durvasula, known online as "Doctor Ramani," is an American clinical psychologist, professor emerita at California State University, Los Angeles, and author of books on narcissism.

Ramaswamy Govindan

Ramaswamy Govindan is an Indian-born American medical oncologist at Washington University in St. Louis, known for lung cancer genomics research and as senior author of the sotorasib trial.

Rameen Beroukhim

Rameen Beroukhim is a cancer geneticist and neuro-oncologist at Dana-Farber, Harvard, and the Broad Institute, known for the 2010 pan-cancer copy-number survey and the GISTIC algorithm.

Rami Burstein

Rami Burstein is a neuroscientist and headache researcher who is the John Hedley-Whyte Professor at Harvard Medical School, known for work on migraine pain and light sensitivity.

Ramón Bataller

Ramón Bataller is a Spanish hepatologist known for work on liver fibrosis and alcohol-associated liver disease, leading the Steatohepatitis and liver transplantation group at Hospital Clínic de Barcelona.

Ramzi S. Cotran

Ramzi S. Cotran (1932–2000) was an American pathologist at Harvard Medical School and Brigham and Women's Hospital who coined "endothelial activation" and led Robbins' pathology textbook.

Ran D. Balicer

Ran D. Balicer, also known as Ran Balicer, is an Israeli physician and epidemiologist, Chief Innovation Officer of Clalit Health Services, known for 2021 nationwide COVID-19 vaccine studies.

Rana K. Gupta

Rana K. Gupta is an American adipocyte biologist who studies how fat-cell precursors are determined and how white adipose tissue expands in obesity, based at Duke's Molecular Physiology Institute.

Randall John Bateman

Randall J. Bateman is an American neurologist at Washington University in St. Louis who pioneered Alzheimer's blood tests and led the first Alzheimer's prevention trial.

Sep 17, 2026

Randall S. Singer

Randall S. Singer is a veterinary epidemiologist and Professor of Epidemiology at the University of Minnesota College of Veterinary Medicine, known for research quantifying antimicrobial resistance at the animal–human interface.

Sep 17, 2026

Randolph A. Miller M.D.

Randolph A. Miller, known as Randy Miller, is an American physician and biomedical informatics researcher at Vanderbilt University, best known for pioneering computer-assisted medical diagnosis through the INTERNIST-I project.

Randy D. Gascoyne

Randy D. Gascoyne is a lymphoma pathologist and clinician scientist at the BC Cancer Agency in British Columbia, known for research on lymphoma diagnosis, prognosis, and genomics.

Randy J. Seeley

Randy J. Seeley, also known as Randy Seeley, is an American obesity researcher who studies gut hormones and the brain, and directs the Michigan Nutrition Obesity Research Center.

Ranjana H. Advani

Ranjana H. Advani is a medical oncologist who holds the Saul A. Rosenberg Professor of Lymphoma chair at Stanford University School of Medicine, treating Hodgkin and non-Hodgkin lymphoma.

Raoul Poupon

Raoul Poupon (born 1954) is a French hepatologist at Sorbonne Université and Hôpital Saint-Antoine in Paris who established ursodeoxycholic acid as the treatment of primary biliary cholangitis.

Raphael Armattoe

Raphael Ernest Grail Armattoe was a Togoland-born physician, poet, and political campaigner who practiced in Derry, developed the Abochi drug, and was nominated for the 1949 Nobel Peace Prize.

Raphael E. Cuomo

Raphael E. Cuomo is a biomedical scientist and associate professor at UC San Diego School of Medicine, known for founding the field of survival epidemiology and "Cuomo's Paradox."

Raphaël Lépine

Raphaël Lépine (1840–1919) was a French physician and physiologist who held the chair of clinical medicine at Lyon from 1877 to 1910 and studied glycolysis and diabetes.

Rasha Al‐Lamee

Rasha Al-Lamee, also known as Rasha K. Al-Lamee, is an interventional cardiologist and clinical professor at Imperial College London who led the placebo-controlled ORBITA trials of coronary angioplasty.

Ratko Djukanović

Ratko Djukanović is a British-based respiratory physician who holds the Chair of Medicine at the University of Southampton and studies airway inflammation in asthma and COPD.

Raul G. Nogueira

Raul G. Nogueira is a Brazilian-born American neurologist who directs the UPMC Stroke Institute in Pittsburgh and led the DAWN trial of late-window stroke thrombectomy.

Ravi Allada

Ravi Allada is an American chronobiologist and sleep researcher known for identifying core molecular gears of the circadian clock in fruit flies; he directs the Michigan Neuroscience Institute.