Life and health scientists

Karl Patterson Schmidt

Karl Patterson Schmidt was an American herpetologist and taxonomist at the Field Museum in Chicago who described over 200 species and died in 1957 after a boomslang snakebite.

Karl Sax (1892–1973) was an American botanist and cytogeneticist, a National Academy of Sciences member and director of Harvard's Arnold Arboretum whose X-ray studies of chromosome aberrations in Tradescantia helped found radiation cytology.

Karl Schmid (biochemist)

Karl Schmid (1920–2009) was a biochemist at Boston University School of Medicine who spent his career on human plasma glycoproteins, above all α1-acid glycoprotein (orosomucoid), first crystallized by him in 1953.

Karl Sudhoff

Karl Sudhoff (1853–1938) was a German physician who became Germany's first professor of medical history in 1905 and founded the world's first institute for it, in Leipzig.

Karl Swedberg

Karl Swedberg is a Swedish cardiologist and Senior Professor at the University of Gothenburg who first reported survival benefits of four heart failure drug classes.

Karl Touton

Karl Touton (1858–1934) was a German dermatologist who practiced in Wiesbaden, gave his name to the Touton giant cell, and described hundreds of new Hieracium taxa.

Karl Tryggvason

Karl Tryggvason, born 1947, is an Icelandic medical biochemist and nephrology researcher who discovered nephrin, the gene behind congenital nephrotic syndrome, and was Professor of Medical Biochemistry at Karolinska Institutet from 1994 to 2014.

Karl von Frisch

Karl von Frisch (1886–1982) was an Austrian zoologist who decoded the honeybee waggle dance, showing how bees communicate food locations, and shared the 1973 Nobel Prize.

Karl Welte

Karl Welte (born 1942 in Tettnang, Germany) is a German pediatric hematologist who took G-CSF from laboratory purification to the standard treatment for severe congenital neutropenia.

Karl Wilhelm von Kupffer

Karl Wilhelm von Kupffer (1829–1902) was a Baltic German anatomist whose name survives in the Kupffer cell, the liver's resident macrophage, though he misidentified the cells he described in 1876.

Karl Wittmaack

Karl Wittmaack (1876–1972) was a German otorhinolaryngologist who founded the Pneumatisationslehre theory of temporal-bone pneumatization, assembled a collection of over 1700 temporal bones, and was twice nominated for the Nobel Prize.

Karl Y. Bilimoria

Karl Y. Bilimoria is an American surgical oncologist and health services researcher who led the FIRST Trial of resident duty hours and became chair of surgery at Indiana University in 2022.

Karl-Henrik Robèrt

Karl-Henrik Robèrt is a Swedish physician and cancer researcher who founded The Natural Step in 1989 and co-developed the Framework for Strategic Sustainable Development, a planning method built on four sustainability principles.

Karl-Peter Hopfner

Karl-Peter Hopfner, born 1968, is a German structural biologist and biochemist who directs the Gene Center at LMU Munich and studies DNA repair enzymes and chromatin remodelers.

Karl‐Heinz Klempnauer

Karl-Heinz Klempnauer is a German molecular biologist known for his work on the myb oncogene, and was Professor of biochemistry at the University of Münster from 1997 to 2022.

Karl‐Heinz Kück

Karl-Heinz Kück is a German cardiologist and electrophysiologist who led cardiology at Asklepios Klinik St. Georg in Hamburg for 25 years and the VTACH and FIRE AND ICE trials.

Karla A. Kirkegaard

Karla A. Kirkegaard (born 1954) is a virologist who studies positive-strand RNA viruses, known for establishing the copy-choice mechanism of RNA virus recombination in poliovirus.

Karla Kerlikowske

Karla Kerlikowske is an American physician-scientist, professor at the University of California, San Francisco, known for research on mammography screening and breast cancer risk prediction.

Karla Neugebauer

Karla M. Neugebauer is an RNA biologist at Yale University, where she directs the Center for RNA Science and Biomedicine and studies how RNA splicing is coordinated with transcription.

Karlene A. Cimprich

Karlene A. Cimprich is an American cancer biologist who is Professor and Chair of Chemical and Systems Biology at Stanford, studying genome stability during DNA replication.

Karlman Wasserman

Karlman Wasserman (1927–2020) was an American exercise physiologist and physician who coined the term "anaerobic threshold" and pioneered cardiopulmonary exercise testing, leading the pulmonary division at Harbor-UCLA from 1967 to 1997.

Karolin Luger

Karolin Luger is an Austrian-born biochemist and structural biologist at the University of Colorado Boulder, best known as lead author of the 1997 crystal structure of the nucleosome.

Karolina Mukhtar

Karolina Mukhtar, also publishing as Karolina M. Pajerowska-Mukhtar, is a plant biologist who led UAB's biology department, won the 2019 PECASE award, and moved to Clemson University in 2024.

Karolina Palucka

Karolina Palucka is an immunologist and cancer researcher who pioneered dendritic cell vaccines for cancer, directs the JAX Cancer Center, and joined the Jackson Laboratory in 2014.

Karsten Weis

Karsten Weis is a molecular cell biologist and Professor of Cellular Dynamics at ETH Zurich who studies nucleocytoplasmic transport, mRNA export and degradation, and phase separation.

Karsten Zengler

Karsten Zengler is a German-trained microbiologist and systems biologist, Professor of Pediatrics at UC San Diego, known for community systems biology and the 1999 Nature methane paper.

Kashmira Date

Kashmira A. Date is an American physician and epidemiologist who spent over a decade at the CDC leading cholera and typhoid vaccine work, winning a 2014 PECASE award.

Kaspar Locher

Kaspar P. Locher is a structural biologist and Professor of Molecular Membrane Biology at ETH Zurich who determined the first ABC transporter crystal structure in 2002.

Kaspar Podgorski

Kaspar Podgorski is a neuroscientist and instrument engineer who leads the optophysiology lab at the Allen Institute for Neural Dynamics in Seattle, known for brain-activity imaging tools.