Notable Deaths on April 6

Richard I, known as Richard the Lionheart or Richard Cœur de Lion because of his reputation as a great military leader and warrior, was King of England from 1189 until his death in 1199. He also ruled as Duke of Normandy, Aquitaine, and Gascony; Lord of Cyprus; Count of Poitiers, Anjou, Maine, and Nantes; and was overlord of Brittany at various times during the same period. He was the third of five sons of Henry II of England and Eleanor of Aquitaine and was therefore not expected to become king, but his two elder brothers predeceased their father.

Tammy Wynette was an American country music singer and songwriter, considered among the genre's most influential and successful artists. Wynette was one of the few singers who brought a woman's perspective to the male-dominated country music field. Her characteristic vocal delivery has been acclaimed by critics, journalists and writers for conveying unique emotion. Twenty of her singles topped the US country chart during her career. Her signature song "Stand by Your Man" received both acclaim and criticism for its portrayal of women's loyalty to their husbands.

Matthias Corvinus was King of Hungary and Croatia from 1458 to 1490, as Matthias I. He is often given the epithet "the Just". After conducting several military campaigns, he was elected King of Bohemia in 1469 and adopted the title Duke of Austria in 1487. He was the son of John Hunyadi, Regent of Hungary, who died in 1456. In 1457, Matthias was imprisoned along with his older brother, Ladislaus Hunyadi, on the orders of King Ladislaus the Posthumous. Ladislaus Hunyadi was executed, causing a rebellion that forced King Ladislaus to flee Hungary. After the King died unexpectedly, Matthias's uncle Michael Szilágyi persuaded the Estates to unanimously proclaim the 14-year-old Matthias as king on 24 January 1458. He began his rule under his uncle's guardianship, but he took effective control of government within two weeks.

Clement Anthony Burke was an American musician best known as the drummer for the band Blondie. He joined the band shortly after its formation in 1975 and remained with Blondie throughout the band's entire career until his death in 2025. He appeared on all of the band's albums with two of the founding members, Debbie Harry and Chris Stein. He was drummer for the Ramones for a brief time in 1987 under the name Elvis Ramone, and played on albums by other artists, including Eurythmics, Bob Dylan and Iggy Pop. He was a member of the Romantics from 1990 until 2004.

Wilma Pearl Mankiller was a Native American activist, social worker, community developer and the first woman elected to serve as Principal Chief of the Cherokee Nation. Born in Tahlequah, Oklahoma, she lived on her family's allotment in Adair County, Oklahoma, until the age of 11, when her family relocated to San Francisco as part of a federal government program to urbanize Indigenous Americans. After high school, she married a well-to-do Ecuadorian and raised two daughters. Inspired by the social and political movements of the 1960s, Mankiller became involved in the Occupation of Alcatraz and later participated in the land and compensation struggles with the Pit River Tribe. For five years in the early 1970s, she was employed as a social worker, focusing mainly on children's issues.

Albert William Kaline, nicknamed "Mr. Tiger", was an American professional baseball right fielder who played his entire 22-season career in Major League Baseball (MLB) for the Detroit Tigers. For most of his career, Kaline played in the outfield, mainly as a right fielder where he won ten Gold Glove Awards and was known for his strong throwing arm. He was selected to 18 All-Star Games, including selections each year between 1955 and 1967. He was elected to the Baseball Hall of Fame in 1980 in his first year of eligibility.

Niels Henrik Abel was a Norwegian mathematician who made pioneering contributions in a variety of fields. His most famous single result is the first complete proof demonstrating the impossibility of solving the general quintic equation in radicals. This question was one of the outstanding open problems of his day, and had been unresolved for over 250 years. He was also an innovator in the field of elliptic functions and the discoverer of Abelian functions. He made his discoveries while living in poverty and died at the age of 26 from tuberculosis.

Idris Davies was a Welsh poet. He was born in Rhymney, in the historic county of Monmouthshire in South East Wales to Welsh-speaking parents, Evan Davies and his wife Elizabeth Ann. He and his young sister Dorothy (Doris) learnt English in the local school. He left school at the age of fourteen and for the next seven years worked underground as a coal miner in a nearby pit. In 1925, he began to attend local evening classes. In the following year the 1926 United Kingdom general strike occurred, after which he became unemployed for four years. Davies returned to education in 1929 when he became a pupil-teacher. In the following year he enrolled in a teacher training course at Loughborough College in Leicestershire, England. From 1932 to 1947 he worked as a teacher in London. Later in 1947, he returned to the Rhymney Valley to teach at a junior school in New Tredegar. He taught there until 1951, when his abdominal cancer prevented him continuing. He died in 1953.

Fang Lizhi was a Chinese astrophysicist, vice-president of the University of Science and Technology of China, and activist whose liberal ideas inspired the pro-democracy student movement of 1986–87 and, finally, the Tiananmen Square protests of 1989. Fang was considered as one of the leaders of the New Enlightenment in the 1980s. Because of his activism, he was expelled from the Chinese Communist Party in January 1987. For his work, Fang was a recipient of the Robert F Kennedy Human Rights Award in 1989, given each year. He was elected an academician of the Chinese Academy of Sciences in 1980, but his position was revoked after 1989.

James Kirke Paulding was an American writer and, for a time, the United States Secretary of the Navy. Paulding's early writings were satirical and violently anti-British, as shown in The Diverting History of John Bull and Brother Jonathan (1812). He wrote numerous long poems and serious histories. Among his novels are Konigsmarke, the Long Finne (1823) and The Dutchman's Fireside (1831). He is best known for creating the inimitable Nimrod Wildfire, the "half horse, half alligator" in The Lion of the West (1831), and as collaborator with William Irving and Washington Irving in Salmagundi. (1807–08). Paulding was also, by the mid-1830s, an ardent and outspoken defender of slavery who later endorsed southern secession from the United States.

William Edward Forster, PC, FRS was an English industrialist, philanthropist and Liberal Party statesman. As a minister in Gladstone's government, he steered through the Elementary Education Act 1870 which was the foundation of compulsory national free education for children in the UK. However his reputation was later greatly tarnished by his coercive policies as Chief Secretary for Ireland during the Land War. His purported advocacy of the Irish Constabulary's use of lethal force against the National Land League earned him the nickname Buckshot Forster from Irish nationalists.

Mickey Rooney was an American actor. In a career spanning nearly nine decades, he appeared in more than 300 films and was among the last surviving stars of the silent-film era. He was the top box-office attraction from 1939 to 1941, and one of the best-paid actors of that era. At the height of a career ultimately marked by declines and comebacks, Rooney performed the role of Andy Hardy in a series of 16 films in the 1930s and 1940s that epitomized the mainstream United States self-image.

Florence Van Leer Nicholson Coates was an American poet whose prolific output was published in dozens of literary magazines, some of it set to music. She was mentored by the English poet Matthew Arnold, with whom she maintained a lasting friendship. She was famous for her many nature poems, inspired by the flora and fauna of the Adirondacks, where she and her husband Edward Hornor Coates maintained a summer camp. She was elected poet laureate by the State Federation of Women's Clubs (Pennsylvania) in 1915.

Eileen Evelyn Greer Garson was a British and American actress and singer. Known for playing graceful, noble, and dignified women in period and war dramas, she quickly rose to popularity during the Golden Age of Hollywood. A top star at Metro-Goldwyn-Mayer Studios (MGM), Garson was among the most popular stars of the 1940s, becoming one of the highest-paid actresses in the United States and Britain. From 1942 to 1946, she was consistently ranked by the Motion Picture Herald as one of America's top box-office draws.

Jay Waverly North Jr. was an American actor and later a corrections officer after retiring from acting. His career as a child actor began in the late 1950s, and he went on to appear in eight TV series, two variety shows, and three feature films. At age seven, he became a household name for his role as the good-natured but mischievous Dennis Mitchell on the CBS situation comedy Dennis the Menace (1959–1963), based on the comic strip created by Hank Ketcham.

Adamantios Korais or Koraïs was a Greek scholar, who is credited with laying the foundations of modern Greek literature. He was a major figure in the Greek Enlightenment. His activities paved the way for the Greek War of Independence and the emergence of a purified form of the Greek language, known as Katharevousa. Encyclopædia Britannica asserts that "his influence on the modern Greek language and culture has been compared to that of Dante on Italian and Martin Luther on German".

Donald Jay Rickles was an American stand-up comedian and actor, known primarily for his insult comedy. His film roles include Run Silent, Run Deep (1958), Enter Laughing (1967), Kelly's Heroes (1970), and Casino (1995). From 1976 to 1978, he had a two-season starring role in the NBC television sitcom C.P.O. Sharkey, having previously starred in two eponymous half-hour programs, an ABC variety series titled The Don Rickles Show (1968) and a CBS sitcom identically titled The Don Rickles Show (1972).

John Stow was an English historian and antiquarian. He wrote a series of chronicles of English history, published from 1565 onwards under such titles as The Summarie of Englyshe Chronicles, The Chronicles of England, and The Annales of England; and also A Survey of London. A. L. Rowse has described him as "one of the best historians of that age; indefatigable in the trouble he took, thorough and conscientious, accurate – above all things devoted to truth".

Herbert Friedrich Wilhelm Backe was a German politician and SS-Obergruppenführer who served as State Secretary and Reichsminister in the Reich Ministry of Food and Agriculture. He was a doctrinaire racial ideologue, a long-time associate of Richard Walther Darré and a personal friend of Reinhard Heydrich. He developed and implemented the Hunger Plan that envisioned death by starvation of tens of millions of Slavic and Jewish "useless eaters" following Operation Barbarossa, the 1941 invasion of the Soviet Union.