72,234 articles
Harry T. Orr
Harry T. Orr is an American neurogeneticist at the University of Minnesota who identified the SCA1 gene and shared the 2022 Kavli Prize in Neuroscience with Huda Zoghbi.
Harry V. Gelboin
Harry V. Gelboin, born 1929, is an American cancer researcher who led the Laboratory of Molecular Carcinogenesis at the National Cancer Institute, studying benzo[a]pyrene metabolism and cytochrome P450.
Harry V. Vinters
Harry V. Vinters is a Canadian-born neuropathologist, Distinguished Professor emeritus at UCLA, who led its neuropathology section from 1993 to 2016 and studied cerebral amyloid angiopathy and epilepsy.
Hartebeest
Hartebeest (Alcelaphus buselaphus), a large African antelope of the tribe Alcelaphini with sloping back and ringed horns in both sexes; eight subspecies in three clades, up to 70 km/h, Bubal subspecies extinct, IUCN decreasing.
Hartmann's procedure
Hartmann's procedure is an emergency colorectal operation that removes the diseased sigmoid colon and upper rectum, closes the rectal stump, and brings the proximal colon out as an end colostomy.
Hartmut Beug
Hartmut Beug was a German cancer biologist who studied oncogene cooperation in leukemia and EMT in metastasis, a founding Senior Scientist at the IMP in Vienna from 1988.
Hartmut Döhner
Hartmut Döhner, born 1957 in Bad Kreuznach, is a German hematologist-oncologist and professor at Ulm University Hospital who chairs the AML Study Group and led the ELN leukemia guidelines.
Hartmut Geiger
Hartmut Geiger is a German-based biochemist and hematologist known for research on hematopoietic stem cell aging, including the Cdc42 mechanism, and directs molecular medicine at Universität Ulm.
Hartmut Land
Hartmut Land is a German-born molecular biologist and cancer researcher, professor of biomedical genetics at the University of Rochester since 1999, known for showing that cancer requires cooperating oncogenes.
Hartmut Luecke
Hartmut Luecke is a German-born structural biologist known for membrane protein structures, above all bacteriorhodopsin and the Helicobacter pylori urea channel; since 2023 he has led a cryo-EM laboratory at Universidade NOVA de Lisboa.
Hartmut Michel
Hartmut Michel, born 1948 in Ludwigsburg, is a German biochemist who shared the 1988 Nobel Prize in Chemistry for the structure of a photosynthetic reaction center.
Hartmut Oschkinat
Hartmut Oschkinat is an NMR spectroscopist and structural biologist who headed the NMR structural biology department at the FMP in Berlin from 1998 until his retirement.
Hartmut P.H. Neumann
Hartmut P.H. Neumann is a German internist and clinical geneticist who spent three decades at Freiburg studying von Hippel-Lindau disease, pheochromocytoma, and paraganglioma, and now runs a private preventive medicine practice.
Hartmut Wekerle
Hartmut Wekerle, born 1944, is a German neuroimmunologist regarded as the founder of experimental neuroimmunology in Germany, known for T-cell autoimmunity research in multiple sclerosis.
Hartnup disease
Hartnup disease (Hartnup disorder), an autosomal recessive SLC6A19/B0AT1 transport defect causing neutral aminoaciduria, pellagra-like photosensitive rash, ataxia, and psychiatric symptoms, treated with nicotinamide and a high-protein diet.
Hartog Jacob Hamburger
Hartog Jacob Hamburger (1859–1924) was a Dutch physiologist and professor of physiology at the University of Groningen from 1901, remembered as the first to describe the chloride ion shift of the blood.
Hartsfield syndrome
Hartsfield syndrome (holoprosencephaly-ectrodactyly-cleft lip/palate syndrome, OMIM 615465) is a rare FGFR1-related disorder combining holoprosencephaly, split-hand/foot malformation, cleft lip/palate, and endocrine abnormalities, inherited dominantly or recessively.
Hartzell V. Schaff
Hartzell V. Schaff is an American cardiovascular surgeon and past chairman of cardiovascular surgery at the Mayo Clinic, known for septal myectomy and the 1997 fen-phen valve disease report.
Haruhiko Bito
Haruhiko Bito (尾藤 晴彦) is a Japanese molecular neuroscientist, Professor and Chair of Neurochemistry at the University of Tokyo, known for work on calcium signaling and memory.
Haruhiko Koseki
Haruhiko Koseki (古関 明彦) is a Japanese molecular biologist and physician-scientist, Deputy Director of RIKEN's Center for Integrative Medical Sciences, known for work on epigenetic inheritance.
Haruhiko Siomi
Haruhiko Siomi (塩見 春彦) is a Japanese RNA biologist known for work on RNA silencing, Argonaute and Piwi proteins, and the piRNA pathway; he joined Chiba University in 2025.
Haruo Kasai
Haruo Kasai (河西春郎) is a Japanese cellular neuroscientist and Project Professor at the University of Tokyo, known for discovering structural plasticity in brain spine synapses and winning the 2022 Japan Academy Prize.
Haruo Saito
Haruo Saito (斎藤 春雄) is a Japanese molecular biologist and University of Tokyo professor known for defining the yeast HOG osmosensing pathway and mammalian stress kinase cascades.
Harvard step test
The Harvard step test is a submaximal field test of cardiovascular fitness in which heart rate recovery after stepping on and off a bench yields a fitness index.
Harvest
Harvest (harvesting) is the gathering of agricultural crops, the hinge between production and post-harvest handling. Covers maturity timing, hand versus machine methods, combine harvesters from the 1886 Holt machine onward, and post-harvest losses.
Harvest festival
A harvest festival, also called a Harvest Thanksgiving, is a celebration giving thanks for gathered crops, marked by food offerings, communal meals, and rituals at the end of the agricultural year.
Harvey B. Pollard
Harvey B. Pollard is an American biochemist and professor at the Uniformed Services University in Bethesda, Maryland, known for discovering synexin and for cystic fibrosis research.
Harvey Cantor
Harvey Cantor is an American immunologist, the Baruj Benacerraf Professor at Dana-Farber Cancer Institute and Harvard Medical School, known for discovering two T-cell lineages that regulate immunity.
Harvey D. White
Harvey D. White is a New Zealand interventional cardiologist at Auckland City Hospital whose 1987 trial showed thrombolytic therapy improves survival after heart attack, earning the 1998 Prince Mahidol Award.
Harvey E. Cline
Harvey E. Cline (1940–2023) was an American scientist who spent 42 years at GE Research, where he helped create MR-guided focused ultrasound surgery and 3D medical image processing.