Society and history

Carl Fritjofsson

Carl Fritjofsson is a Swedish venture capital investor who serves as a Partner at Creandum in San Francisco, where he leads the firm's US hub and invests in AI infrastructure, vertical AI, and consumer startups.

Carl Gröpler

Carl Gröpler (Franz Friedrich Carl Gröpler) was a German executioner who served about 30 years, carried out roughly 130 executions, and beheaded Peter Kürten, the "Vampire of Düsseldorf", in 1931.

Carl Gustaf Emil Mannerheim

Carl Gustaf Emil Mannerheim (1867–1951), Finnish baron, field marshal and statesman: Russian Imperial cavalry officer and Asian explorer, 1918 White commander, Regent 1918–1919, commander-in-chief 1939–1944, sixth President of Finland 1944–1946.

Oct 10, 2026

Carl Gustav Hempel

Carl Gustav Hempel (1905–1997) was a German-born philosopher of science, the principal proponent of the covering-law theory of explanation, best known for the Deductive-Nomological model and the Raven paradox.

Carl Hansen (biotechnology entrepreneur)

Carl Hansen is a biotechnology entrepreneur who co-founded AbCellera in Vancouver in 2012 as a University of British Columbia spin-out and has served as its chief executive officer since.

Carl Hayden

Carl Hayden, also known as Carl Trumbull Hayden, was a Democratic senator from Arizona who set a congressional service record of over 56 years, retiring in 1969.

Carl Heastie

Carl E. Heastie is an American Democratic politician serving as the 100th Speaker of the New York State Assembly since 2015, the first African-American to lead the chamber.

Sep 21, 2026

Carl Hovland

Carl Hovland (1912–1961) was an American experimental psychologist at Yale who directed the Army's wartime studies of training films and founded the Yale Communication and Attitude Change Program.

Carl Icahn

Carl Icahn is an American investor and corporate raider who built Icahn & Co. in 1968 and took stakes in TWA, Texaco, Netflix, and Apple.

Carl J. Barbier

Carl J. Barbier, born in 1944, is a federal judge in the Eastern District of Louisiana appointed by Bill Clinton in 1998 who took senior status in 2023.

Carl J. Nichols

Carl J. Nichols, born 1970 in Rhinebeck, NY, is a U.S. district judge for the District of Columbia, confirmed 55-43 in May 2019 as a Trump appointee; also FISC judge and presiding judge since 2026, handling January 6 and Trump administration litigation.

Carl Jackson

Carl Jackson, born in Baltimore in 1984, is an American Democratic politician serving in the Maryland State Senate since 2025, after serving in the House of Delegates from 2019.

Carl Johan Bernadotte

Carl Johan Bernadotte (1916–2012) was a Swedish prince, Duke of Dalarna, who lost his title in 1946 on marrying a commoner and became Count of Wisborg.

Carl June

Carl H. June is an American immunologist at the University of Pennsylvania whose laboratory invented CART19, commercialized as Kymriah, the first FDA-approved CAR-T cell therapy in 2017.

Carl Jung

Carl Gustav Jung (1875–1961), Swiss psychiatrist and founder of analytical psychology; Burghölzli word-association researcher, Freud's collaborator until their 1913 break; concepts include the collective unconscious, archetypes, and individuation.

Carl Karcher

Carl Karcher (1917–2008) was an American businessman who founded the Carl's Jr. hamburger chain, building a $326 hot dog cart in Los Angeles in 1941 into a fast-food empire.

Carl Kiekhaefer

Carl Kiekhaefer (1906–1983) was an American engineer who founded Mercury Marine in Wisconsin in 1939, built it into a $175 million company, and won NASCAR titles.

Carl L. Gordon, Ph.D., CFA

Carl L. Gordon is a founding Managing Partner of OrbiMed, the healthcare investment firm, where he leads private equity and made the Forbes Midas List from 2014 to 2018.

Carl Lambrecht

Carl Lambrecht is an American Republican politician, the 2026 Republican nominee for the U.S. House in Illinois's 10th Congressional District after winning the March 2026 primary.

Carl Lentz

Carl Lentz is an American pastor who led Hillsong NYC, the New York branch of the Hillsong megachurch, from 2010 until his departure in November 2020.

Carl Levin

Carl Levin (1934-2021), Michigan Democratic senator 1979-2015, longest-serving in state history at 36 years; Armed Services Committee chairman and Senate investigator of Enron, tax shelters, and defense waste.

Oct 10, 2026

Carl Lindhagen

Carl Albert Lindhagen (1860–1946) was a Swedish lawyer, socialist politician, and pacifist who served as mayor of Stockholm from 1903 to 1930 and sat in the Riksdag from 1897 to 1940.

Carl Menger

Carl Menger (1840–1921) was an Austrian economist whose 1871 book Principles of Economics founded the Austrian school of economics; he was one of three independent co-discoverers of marginal utility.

Carl Meredith Allen

Carl Meredith Allen (1925–1994), alias Carlos Miguel Allende, American merchant mariner of Springdale, Pennsylvania, who invented the Philadelphia Experiment legend in 1955–1956 letters to Morris K. Jessup and later confessed to the hoax.

Carl Merril

Carl Merril is an American physician and phage researcher who co-founded Adaptive Phage Therapeutics with his son Greg and serves as its Chief Scientific Officer.

Carl Panzram

Carl Panzram (1892-1930), American career criminal and confessed serial killer, executed at Leavenworth for killing laundry foreman Robert Warnke; his death-row autobiography, kept by guard Henry Lesser, was published in 1970 as Killer: A Journal of Murder.

Carl Rogers

Carl Ransom Rogers (1902–1987), American psychologist, founder of client-centered/person-centered (Rogerian) therapy; introduced non-directive counseling, the term "client," and the core conditions of congruence, unconditional positive regard, and empathy; 1947 APA president.