All articles starting with K
16,083 articles
Katherine Grainger
Katherine Grainger, Baroness Grainger, is a Scottish rower who won five Olympic medals, including gold at London 2012, and became the first female Chair of the British Olympic Association.
Katherine H. Freeman
Katherine H. Freeman is an American isotope geochemist at Penn State who reconstructs ancient climates from organic molecules and was elected to the National Academy of Sciences in 2013.
Katherine Harris
Katherine Harris, Florida secretary of state 1999-2002 and Republican U.S. representative 2003-2007, certified Bush's 537-vote Florida win in the 2000 recount while co-chairing his state campaign, then lost a 2006 Senate race to Bill Nelson 60-38.
Katherine Heigl
Katherine Heigl (Katherine Marie Heigl), American actress born 1978, Emmy winner as Izzie Stevens on Grey's Anatomy (2005–2010), star of Knocked Up, 27 Dresses, and Netflix's Firefly Lane, now living in Utah.
Katherine Helmond
Katherine Helmond (1929–2019), American actress, played Jessica Tate on Soap and Mona Robinson on Who's the Boss?, earning seven Emmy nominations, two Golden Globes, and a Tony nomination.
Katherine Isaacs
Katherine Isaacs, also known as Kate Isaacs, is an American computer scientist and associate professor at the University of Utah who works on interactive visualization of large scientific data.
Katherine Iverson
Katherine M. Iverson is an American clinical research psychologist at VA Boston's National Center for PTSD who studies intimate partner violence screening and treatment for veterans.
Katherine J. Willis
Katherine J. Willis, known as Kathy Willis and as Baroness Willis of Summertown, is a British ecologist, Oxford Professor of Biodiversity, and Crossbench peer in the House of Lords.
Katherine Jackson
Katherine Jackson (born Kattie B. Screws, May 4, 1930, Barbour County, Alabama) is the Jackson family matriarch, mother of Michael, Janet, and the Jackson 5, costume designer for the group, and guardian of Michael's three children after his 2009 death.
Katherine Jenkins
Katherine Jenkins (born 1980, Neath, Wales) is a Welsh mezzo-soprano and classical crossover singer, Britain's best-selling classical artist, with thirteen UK classical number-one albums, a £5.8m Warner deal, and a 2014 OBE.
Katherine Johnson
Katherine Johnson, born Katherine Coleman Goble Johnson, was an American mathematician at NASA whose orbital calculations were critical to early crewed spaceflights, including John Glenn's 1962 orbit, and told in Hidden Figures.
Katherine Jones (molecular biologist)
Katherine A. Jones is a molecular biologist and Professor Emerita at the Salk Institute, known for identifying P-TEFb, the elongation factor HIV Tat recruits, and for APC's repression of Wnt genes in colon cancer.
Katherine K. Matthay
Katherine K. Matthay is a pediatric hematologist-oncologist at UCSF who led the landmark CCG-3891 neuroblastoma trial, co-authored the INRG classification, and founded the NANT consortium.
Katherine Kazarian
Katherine Kazarian is an American politician serving as Majority Leader of the Rhode Island House of Representatives, representing East Providence; elected in May 2026, she is the first woman to hold the post.
Katherine Kedzierska
Katherine Kedzierska is an Australian viral immunologist who heads the Human T cell Laboratory at the Peter Doherty Institute and University of Melbourne, known for work on T-cell immunity to influenza and SARS-CoV-2.
Katherine Kelly (actress)
Katherine Kelly (born 1979, Barnsley) is an English RADA-trained actress, best known as Becky McDonald in Coronation Street (2006–2012), later in Mr Selfridge, Happy Valley, Gentleman Jack, Mr Bates vs The Post Office, and the 2025 Channel 4 thriller In Flight.
Katherine Kelly Lang
Katherine Kelly Lang, also known as Katherine Kelly Wegeman, is an American actress best known for playing Brooke Logan on The Bold and the Beautiful since 1987.
Katherine King
Katherine King, or Katherine Yudeh King, is an American pediatric infectious diseases physician scientist at Baylor College of Medicine known for studying how infection affects blood stem cells.
Katherine Knight
Katherine Mary Knight, Australian abattoir worker who murdered partner John Price at Aberdeen NSW in February 2000, skinned and cooked his body; first Australian woman sentenced to life without parole.
Katherine Kuchenbecker
Katherine Kuchenbecker is an American mechanical engineer and haptics researcher who directs the Haptic Intelligence department at the Max Planck Institute for Intelligent Systems in Stuttgart.
Katherine L. Nathanson
Katherine L. Nathanson is an American physician-scientist in cancer genetics at the University of Pennsylvania, where she is Deputy Director of the Abramson Cancer Center.
Katherine L. O'Brien
Katherine L. O'Brien, also published as Kate O'Brien, is a Canadian-born pediatric infectious disease physician and vaccinologist directing immunization at the World Health Organization since 2019.
Katherine L. Wilson
Katherine L. Wilson, known as Kathy Wilson, is an American cell biologist and Professor Emerita at Johns Hopkins, known for research on the nuclear envelope and lamins.
Katherine LaNasa
Katherine LaNasa (born 1966, New Orleans) is an American actress and former ballet dancer; Emmy-winning charge nurse Dana Evans in The Pitt, known also for Three Sisters, The Campaign, and marriages to Dennis Hopper, French Stewart, and Grant Show.
Katherine Langford
Katherine Langford is an Australian actress born in 1996 in Perth, best known as Hannah Baker in Netflix's 13 Reasons Why (2017), which earned a Golden Globe nomination, and later in Love, Simon, Knives Out, and Cursed.
Katherine Luzuriaga
Katherine Luzuriaga is a pediatrician and virologist at the University of Massachusetts Chan Medical School, known for clinical trials of very early antiretroviral therapy in infants with HIV-1 infection.
Katherine M. Detre
Katherine M. Detre, born Katherine Maria Drechsler (1926–2006), was a Hungarian-born American epidemiologist at the University of Pittsburgh who co-founded its Epidemiology Data Center and led the BARI coronary trials.
Katherine M. Flegal
Katherine M. Flegal, also published as K M Flegal, is an American epidemiologist who spent nearly 30 years at the CDC's National Center for Health Statistics studying obesity.
Katherine M. Menendez
Katherine M. Menendez is an American jurist serving as a US district judge for the District of Minnesota since 2021, after nearly two decades as a federal public defender.
Katherine MacGregor
Katherine MacGregor, also Scottie MacGregor (1925–2018), American actress born Dorlee Deane McGregor; played Harriet Oleson on NBC's Little House on the Prairie from 1974 to 1983, its entire run.