Life and health scientists

Mark H. Kaplan

Mark H. Kaplan is an American immunologist at the Indiana University School of Medicine known for defining how STAT4 and STAT6 control T helper cell differentiation.

Mark H. Richmond, born 1931 in Australia, is a molecular biologist who established how plasmids spread antibiotic resistance between bacteria, and later served as Vice-Chancellor of the University of Manchester.

Mark H. Skolnick

Mark H. Skolnick (born 1946) is an American genetic epidemiologist at the University of Utah who led the team that identified the BRCA1 gene in 1994.

Mark H. Tuszynski

Mark H. Tuszynski, also known as Mark Tuszynski, is a physician-scientist who directs the UC San Diego Center for Neural Repair and studies spinal cord regeneration.

Mark Hallett (neurologist)

Mark Hallett (1943–2025) was an American neurologist who led the Human Motor Control Section at NINDS in Bethesda for four decades, pioneering transcranial magnetic stimulation and research on dystonia and Parkinson's disease.

Mark Helm (German chemist)

Mark Helm (born 1969 in Bremen) is a professor of pharmaceutical medicinal chemistry at Johannes Gutenberg University Mainz, known for research on RNA modifications and the epitranscriptome.

Mark Henkemeyer

Mark Henkemeyer is an American neuroscientist and Professor at UT Southwestern Medical Center in Dallas, known for showing that Eph receptors and ephrins guide axon pathfinding through bidirectional signaling.

Mark Hochstrasser

Mark Hochstrasser is an American molecular biologist at Yale University whose laboratory identified proteasome assembly chaperones and SUMO-degrading enzymes, and was elected to the National Academy of Sciences in 2025.

Mark Howarth

Mark Howarth is a protein biochemist and Sheild Professor of Pharmacology at Cambridge, known for the SpyTag/SpyCatcher protein ligation pair, monovalent streptavidin, and co-founding SpyBiotech.

Mark Hübener

Mark Hübener is a German neuroscientist who studies plasticity in the mammalian visual system and leads a research group at the Max Planck Institute for Biological Intelligence.

Mark J Bolland

Mark J Bolland is a New Zealand endocrinologist and Associate Professor at the University of Auckland, known for trials and meta-analyses on calcium, vitamin D, and zoledronate.

Mark J. Caulfield

Sir Mark Caulfield is a British clinical pharmacologist at Queen Mary University of London who was Chief Scientist of Genomics England from 2013 to 2021.

Mark J. Daly

Mark J. Daly is a human geneticist and co-director of the Program in Medical and Population Genetics at the Broad Institute, known for studies of schizophrenia, autism, and IBD.

Mark J. Koury

Mark J. Koury is an American hematology researcher at Vanderbilt University School of Medicine in Nashville whose 1986 work with Maurice Bondurant showed that hypoxia raises kidney erythropoietin production by increasing EPO messenger RNA.

Mark J. Levis

Mark J. Levis is a hematologist-oncologist and professor at Johns Hopkins who directs the Adult Leukemia Service and led the ADMIRAL trial of gilteritinib for FLT3-mutated acute myeloid leukemia.

Mark J. Ratain

Mark J. Ratain, born 1954, is an American oncologist at the University of Chicago known for cancer pharmacogenetics, phase I trial design, and the UGT1A1 work behind the 2005 irinotecan label change.

Mark J. Sarnak

Mark J. Sarnak is a nephrologist and Friedman Professor of Medicine at Tufts, known for reframing chronic kidney disease as a major cardiac risk factor.

Mark J. Schnitzer

Mark J. Schnitzer, also known as Mark Schnitzer, is a Stanford neuroscientist and Howard Hughes Medical Institute investigator who developed miniature microscopes for imaging neurons in behaving animals.

Mark J. Shlomchik

Mark J. Shlomchik, also written Mark Shlomchik, is an American immunologist and physician-scientist at the University of Pittsburgh, known for work on B cells, germinal centers, and lupus.

Sep 17, 2026

Mark Johnston (molecular geneticist)

Mark Johnston (Henry Mark Johnston) is an American molecular geneticist known for yeast nutrient sensing, GAL gene regulation, and pioneering genomics; elected to the National Academy of Sciences in 2022.

Sep 17, 2026

Mark Joseph Daly

Mark Joseph Daly is an American human geneticist who leads the Analytic and Translational Genetics Unit at Massachusetts General Hospital and directs FIMM in Helsinki.

Mark K. Jenkins

Mark K. Jenkins, published as Marc K. Jenkins, is an American immunologist whose 1987 work with Ronald Schwartz showed that T cells lacking co-stimulation become anergic.

Mark Kirkpatrick

Mark Kirkpatrick is an American theoretical population geneticist at the University of Texas at Austin, known for work on sexual selection, quantitative genetics, and chromosome evolution.

Mark L. Andermann

Mark L. Andermann is a neuroscientist and Harvard Medical School professor who studies how hunger and thirst shape what the brain attends to and remembers.

Mark L. Kahn

Mark L. Kahn is an American physician-scientist in hematology and vascular biology at the University of Pennsylvania, known for work on platelet receptors and cerebral cavernous malformations.

Mark L. Rosenberg

Mark L. Rosenberg (born 1945) is an American physician and public health researcher who founded the CDC's injury prevention center and led The Task Force for Global Health.

Mark L. Zeidel

Mark L. Zeidel is an American kidney and membrane physiologist whose 1992 purified-protein proof that CHIP28 conducts water is cited in the 2003 Nobel Prize in Chemistry background.

Mark Leppert

Mark F. Leppert is an American human geneticist at the University of Utah who mapped genes for inherited diseases, with major work on colorectal cancer, epilepsy, and macular degeneration.

Mark Levine (physician-scientist)

Mark Levine is an American physician-scientist who leads the Molecular and Clinical Nutrition Section at NIH, studying vitamin C needs and its intravenous use against cancer.