Life and health scientists

Olivier Hermine

Olivier Hermine (born 1962) is a French hematologist, professor at Université Paris Cité and head of clinical hematology at the Hôpital Necker in Paris, known for mastocytosis research.

Olivier Lantz is a physician-immunologist at Institut Curie in Paris who discovered mucosal-associated invariant T (MAIT) cells, named them in a 2003 Nature paper, and leads research on their role in cancer.

Olivier Pourquie

Olivier Pourquie is a French developmental biologist known for discovering the vertebrate segmentation clock, the molecular oscillator timing somite formation in embryos. He is a professor at Harvard Medical School.

Olivier Pourquié

Olivier Pourquié is a French-American developmental biologist, professor at Harvard Medical School and Brigham and Women's Hospital, known for discovering the segmentation clock that governs somite formation.

Olivier Rascol

Olivier Rascol is a French neurologist and clinical pharmacologist, Professor of Clinical Pharmacology at Toulouse University Hospital since 1993, known for Parkinson's disease trials including the 2000 ropinirole study and the 2024 LIXIPARK trial.

Olivier Schwartz

Olivier Schwartz is a French virologist and professor at the Institut Pasteur in Paris, where he has headed the Virus and Immunity unit since 2007.

Olivier Sitbon

Olivier Sitbon (born 1961) is a French professor of respiratory medicine at Hôpital Bicêtre known for clinical trials in pulmonary arterial hypertension, including the 2015 GRIPHON trial.

Olivier Voinnet

Olivier Voinnet is a French plant molecular biologist who studies RNA silencing in plants; he has been professor of RNA biology at ETH Zurich since 2010.

Olke C. Uhlenbeck

Olke C. Uhlenbeck (Olke Cornelis Uhlenbeck) is an RNA biochemist and Professor Emeritus at the University of Colorado Boulder, elected to the National Academy of Sciences in 1993.

Olle Bjorkman

Olle Björkman (Olof Erik Björkman, 1933–2021) was a Swedish-born plant physiologist who spent his career at the Carnegie Institution's Department of Plant Biology in Stanford, California, studying how photosynthesis adapts to light, temperature, and aridity.

Olle Björkman

Olle Björkman (Olof Erik Björkman, 1933–2021) was a Swedish-born plant physiologist at the Carnegie Institution in Stanford, known for work on photosynthetic adaptation to light, temperature, and aridity.

Olle Kämpe

Olle Kämpe is a Swedish professor of clinical endocrinology at Karolinska Institutet whose research on Addison's disease and APS-1 produced autoantibody tests in clinical use.

Olle Lindvall

Olle Lindvall is a Swedish neurologist and neuroscientist at Lund University who led its Parkinson's cell transplantation program and showed that stroke triggers new neuron formation.

Olle Ringdén

Olle Ringdén is a Swedish professor of transplantation immunology at Karolinska Institutet who created and led its Centre for Allogeneic Stem Cell Transplantation and reported 27 first-in-world procedures.

Olli T. Raitakari

Olli T. Raitakari (born 1963) is a Finnish professor of cardiovascular medicine at the University of Turku who leads the Cardiovascular Risk in Young Finns Study, begun in 1980.

Oct 10, 2026

Olof Hammarsten

Olof Hammarsten (1841–1932) was a Swedish physician and chemist, professor of physiological chemistry at Uppsala, who showed casein was the first phosphoprotein and chaired the Nobel chemistry committee.

Olof Nyrén

Olof Nyrén is a Swedish physician and cancer epidemiologist, Professor Emeritus at Karolinska Institutet, known for NEJM studies linking gastroesophageal reflux to esophageal adenocarcinoma and a 1986 trial on non-ulcer dyspepsia.

Oluf Pedersen (physician-scientist)

Oluf Pedersen, born 1945, is a Danish physician-scientist and professor at the University of Copenhagen known for the Steno-2 trial, which changed type 2 diabetes treatment worldwide, and for gut microbiome research.

Olufunmilayo Olopade

Olufunmilayo Olopade is a Nigerian-born American oncologist and geneticist at the University of Chicago known for research on breast cancer genetics in women of African ancestry.

Omar Abdel-Wahab

Omar Abdel-Wahab is a physician-scientist who chairs the Molecular Pharmacology Program at Memorial Sloan Kettering Cancer Center and treats leukemia, known for work on RNA splicing mutations and IDH genes in blood cancers.

Ömer Yılmaz

Ömer Yılmaz, also known as Omer H. Yilmaz, is a Turkish-American physician-scientist and gastrointestinal pathologist at MIT who studies how fasting and diet shape intestinal stem cells and cancer.

Omid Akbari

Omid Akbari is a cellular and molecular immunologist and professor at the Keck School of Medicine of USC, known for identifying natural killer T cells in asthma.

Oct 10, 2026

Omid Hamid

Omid Hamid is an American medical oncologist and melanoma immunotherapy researcher at The Angeles Clinic and Cedars-Sinai in Los Angeles, an investigator in early trials of ipilimumab and pembrolizumab.

Onur Boyman

Onur Boyman is a Swiss physician-scientist and professor of clinical immunology at the University of Zurich, known for cytokine immunotherapy and Long Covid complement research.

Onyekachi Ifudu

Onyekachi Ifudu, also published as O. Ifudu, is a nephrologist and board-certified internist in Brooklyn, New York, known for 1990s research linking dialysis intensity to anemia control.

Ooi Eng Eong

Ooi Eng Eong, also published as Eng Eong Ooi, is a Singapore-based vaccinologist and physician-scientist at Duke-NUS Medical School known for dengue immunology and for leading Singapore's COVID-19 vaccine collaboration with Arcturus Therapeutics.

Ophir Klein

Ophir D. Klein is a developmental and stem cell biologist, pediatrician, and clinical geneticist who studies organ formation and regeneration, known for his 2018 Nature study on intestinal repair.

Or Gozani

Or Gozani is a molecular biologist and the Dr. Morris Herzstein Professor of Biology at Stanford University, where his laboratory has studied histone methylation in cancer since 2005.

Orah S. Platt

Orah S. Platt is a professor of pediatrics at Harvard Medical School based at Boston Children's Hospital, known for her landmark studies of pain and mortality in sickle cell disease.