Medical and health researchers

M. R. C. Greenwood

M. R. C. Greenwood, born 1943, is an American physiologist and nutrition scientist known for obesity research who served as president of the University of Hawaii from 2009 to 2013.

Maarten A.D.H. Schalekamp

Maarten A.D.H. Schalekamp is a Dutch cardiovascular researcher, professor emeritus at Erasmus University Rotterdam, known for work on inactive renin, essential hypertension, and the DRASTIC trial.

Maarten Boers

Maarten Boers is a Dutch rheumatologist and clinical epidemiologist, full professor at Amsterdam UMC and a rheumatologist at Reade, known for the 1997 COBRA trial and co-founding OMERACT.

Maarten L. Simoons is a Dutch cardiologist and emeritus professor at the Thoraxcenter, Erasmus MC Rotterdam, who led trials comparing thrombolysis with primary angioplasty in acute coronary syndromes.

Maarten Naesens

Maarten Naesens is a Belgian nephrologist and transplantation researcher who is Clinical Director of Nephrology at University Hospitals Leuven and a professor at KU Leuven, working on kidney transplant rejection.

Mac Callum

Mac Callum, born William George MacCallum, was an American physician and pathologist who in 1897 observed the sexual reproduction of a malaria-like bird parasite at Johns Hopkins.

Mackenzie Walser

Mackenzie Walser was an American nephrologist and Johns Hopkins professor of medicine who pioneered nitrogen-free keto analog therapy for kidney failure and urea-cycle disorders, and died in 2006.

Sep 17, 2026

Macrae F. Linton

Macrae F. Linton is a Vanderbilt University Medical Center physician-scientist studying macrophage cholesterol metabolism in atherosclerosis, and a 1997 recipient of the Presidential Early Career Award.

Madge Macklin

Madge Thurlow Macklin (1893–1962) was an American-born physician and geneticist who helped establish medical genetics and led the American Society of Human Genetics in 1959.

Madhav V. Dhodapkar

Madhav V. Dhodapkar is an American hematologist-oncologist and cancer immunologist who studies how the immune system controls progression of premalignant plasma cell disorders to multiple myeloma.

Madhukar H. Trivedi

Madhukar H. Trivedi is an American psychiatrist at the University of Texas Southwestern Medical Center in Dallas, known for leading the STAR*D depression treatment study and the 2021 ADAPT-2 trial.

Madhukar Pai

Madhukar Pai, also known as Madhu Pai, is a Canadian physician and epidemiologist at McGill University in Montreal who trained in India and works on tuberculosis and global health.

Mads Melbye

Mads Melbye, born 1956, is a Danish epidemiologist who led the 2002 study of 537,303 children finding no MMR-autism link, and directs the Danish Cancer Institute.

Mads Tang-Christensen

Mads Tang-Christensen is a Danish physician-scientist who helped establish GLP-1 as a brain-mediated satiety signal, then spent over 15 years at Novo Nordisk developing obesity drugs like liraglutide.

Maha Hussain

Maha Hussain is an Iraqi-born American medical oncologist specializing in prostate and bladder cancer who leads genitourinary oncology at Northwestern University and led the PROSPER and PROfound prostate cancer trials.

Mahesh Parmar

Mahesh Parmar, also known as Mahesh K. B. Parmar, is a British medical statistician who directs the MRC Clinical Trials Unit at UCL and led the STAMPEDE prostate cancer trial.

Mahlon DeLong

Mahlon Robert DeLong (1938–2024) was an American neurologist at Emory whose basal ganglia research led to deep brain stimulation for Parkinson's disease, earning the 2014 Lasker Award.

Mai P. Hoang

Mai P. Hoang (Mai Hoang) is an American dermatopathologist, Director of Dermatopathology at Massachusetts General Hospital and Professor of Pathology at Harvard Medical School, known for research on immunohistochemistry in rare skin tumors.

Maike Sander

Maike Sander is a German-born physician-scientist who has led the Max Delbrück Center in Berlin since 2022 and researches pancreatic beta cell development and diabetes.

Maikel P. Peppelenbosch

Maikel P. Peppelenbosch (born 1967) is a Dutch cell biologist and physician-scientist, professor of Experimental Gastroenterology and head of laboratory at Erasmus MC in Rotterdam since 2009.

Majic S. Potsaid

Majic S. Potsaid (1916–1994) was an American radiologist and nuclear medicine physician who directed nuclear medicine at Massachusetts General Hospital and published on motion-picture x-ray imaging.

Majid Ezzati

Majid Ezzati is an Iranian-born global-health epidemiologist, Professor of Global Environmental Health at Imperial College London, who quantifies how behavioral, environmental, and metabolic risk factors cause death worldwide.

Major Greenwood

Major Greenwood (1880–1949) was an English epidemiologist and statistician, the foremost medical statistician in the United Kingdom in the first half of the twentieth century.

Makio Shozu

Makio Shozu is a Japanese physician-scientist in obstetrics and gynecology, a professor at Chiba University known for research on aromatase and the genetics of gestational trophoblastic disease.

Makoto Mayumi

Makoto Mayumi (真弓忠) is a Japanese virologist and physician-scientist who worked on hepatitis B and C and co-discovered TT virus in 1997 from posttransfusion hepatitis.

Makoto Murakami

Makoto Murakami (村上誠) is a Japanese pharmacologist and professor at the University of Tokyo known for his work on the secreted phospholipase A2 enzyme family.

Malcolm A.S. Moore

Malcolm A.S. Moore (1944–2025) was a British-born hematologist and cell biologist at Memorial Sloan Kettering Cancer Center in New York, known for defining how blood-forming cells develop and for isolating G-CSF.

Malcolm B. Bowers

Malcolm B. Bowers (1933–2008) was an American psychiatrist and biological psychiatry researcher at Yale known for cerebrospinal-fluid studies of monoamine metabolism in psychosis and affective disorders.

Sep 17, 2026

Malcolm C. Pike

Malcolm C. Pike is a cancer epidemiologist and Emeritus Member at Memorial Sloan Kettering Cancer Center, known for research on the hormonal determinants of breast and ovarian cancers.