Notable Deaths on April 11

Dolores del Río was a Mexican actress whose career spanned more than 50 years. Along with a notable movie career in the Golden Age of Hollywood during the 1920s and 1930s, she was considered one of the most important female figures in the Golden Age of Mexican cinema during the 1940s and 1950s, as well as one of the most beautiful actresses of the era. Regarded as the first major female Latin American crossover superstar in Hollywood, she is a quintessential representation of the female face of Mexico in the world. For her contribution to the film industry, she has a star on the Hollywood Walk of Fame.

Llywelyn ab Iorwerth, also known as Llywelyn Fawr or Llywelyn the Great, was Prince of Gwynedd from 1199 until his death in 1240. His reign saw Gwynedd transformed from a territory suffering from thirty years of civil war into a polity which could exercise suzerainty over most other native Welsh rulers. He received official recognition of his status from the English Crown, but experienced difficulty establishing lasting control over his ostensible vassals and struggled to ensure a smooth succession for his chosen heir, Dafydd ap Llywelyn, son of Llywelyn and Joan, a daughter of King John. He suffered a paralytic stroke in 1237, and died on 11 April 1240, leaving Dafydd to succeed him to the precarious principality.

John Henry O'Hara was an American writer. He was one of America's most prolific writers of short stories, credited with helping to invent The New Yorker magazine short story style. He became a best-selling novelist before the age of 30 with Appointment in Samarra and BUtterfield 8. While O'Hara's legacy as a writer is debated, his work was praised by such contemporaries as Ernest Hemingway and F. Scott Fitzgerald, and his champions rank him highly among the major under-appreciated American writers of the 20th century. Few college students educated after O'Hara's death in 1970 have discovered him, chiefly because he refused to allow his work to be reprinted in anthologies used to teach literature at the college level.

Otto Koloman Wagner was an Austrian architect, furniture designer and urban planner. He was a leading member of the Vienna Secession movement of architecture, founded in 1897, and the broader Art Nouveau movement. Many of his works are found in his native city of Vienna, and illustrate the rapid evolution of architecture during the period. His early works were inspired by classical architecture. By mid-1890s, he had already designed several buildings in what became known as the Vienna Secession style. Beginning in 1898, with his designs of Vienna Metro stations, his style became floral and Art Nouveau, with decoration by Koloman Moser. His later works, 1906 until his death in 1918, had geometric forms and minimal ornament, more clearly expressing their modern structure and materials. Although they are considered predecessors to modern architecture they remain within the larger classical tradition of the Schinkel School in Germany and Central Europe.

Harold Edwin Ballard was a Canadian businessman and sportsman. Ballard was an owner of the Toronto Maple Leafs of the National Hockey League (NHL) as well as their home arena, Maple Leaf Gardens. A member of the Leafs organization from 1940 and a senior executive from 1957, he became part-owner of the team in 1961 and was majority owner from February 1972 until his death. He won Stanley Cups in 1962, 1963, 1964 and 1967, all as part-owner. He was also the owner of the Hamilton Tiger-Cats of the Canadian Football League (CFL) for 10 years from 1978 to 1988, winning a Grey Cup championship in 1986. He was inducted into the Hockey Hall of Fame (1977) and the Canadian Football Hall of Fame (1987). His is one of seven names to be on both the Stanley Cup and Grey Cup.

Phanishwar Nath Mandal 'Renu' was one of the most successful and influential writers of modern Hindi literature in the post-Premchand era. He is the author of Maila Anchal, which after Premchand's Godaan, is regarded as the most significant Hindi novel. Phanishwar Nath (Mandal) Renu was born on 4 March 1921 in a small village Aurahi Hingna near Simraha railway station in Bihar. The mandal community of Bihar to which Renu belonged constitutes an under-privileged social group in India. Renu's family, however, enjoyed the benefits of land, education, and social prestige. Renu's father, Shilanath Mandal, had been active in the Indian National Movement and was an extremely enlightened individual, taking a keen interest in modern ideas, culture and art.

Hilary Koprowski was a Polish virologist and immunologist. He was the first scientist to produce attenuated poliovirus and to conduct large-scale clinical research studies of an oral polio vaccine. His vaccine was used to immunize millions of children during trials in the Belgian Congo and Poland. He was the director of the Wistar Institute of Anatomy and Biology from 1957 to 1991 where he developed an improved rabies vaccine and pioneered the usage of monoclonal antibodies for cancer diagnosis and treatment. He was a professor of microbiology and immunology at the University of Pennsylvania and director of the Center of Neurovirology and Biotechnology Foundation Laboratories at Thomas Jefferson University. He co-founded the biotechnology firm Centocor in 1979.

Wang Xiaobo was a Chinese writer known for his sharp irony and critical spirit, through which he portrayed the absurdity and suffering of everyday life. Born in Beijing to an intellectual family, Wang was sent to rural areas in Yunnan in 1968 during the Cultural Revolution. He returned to Beijing in 1972 and worked as a factory worker before enrolling at Renmin University of China in 1978. In 1984 he went to the United States to study at the University of Pittsburgh under historian Cho-yun Hsu, and after returning to China in 1988 he briefly taught at Peking University and Renmin University before becoming a freelance writer in 1992. Wang rose to prominence with his novel The Golden Age, which later became part of his “Age” trilogy together with The Silver Age and The Bronze Age. In the 1990s, he gained particular popularity among Chinese college students and achieved posthumous status as a cultural icon associated with liberal and independent thought in China.

Gaston de Foix, duc de Nemours, nicknamed The Thunderbolt of Italy, was a famed French military commander of the Renaissance. Nephew of King Louis XII of France and general of his armies in Italy from 1511 to 1512, he is noted for his military feats in a career which lasted no longer than a few months. The young general is regarded as a stellar commander well ahead of his time. An adept of lightning fast forced marches as well as sudden and bold offensives that destabilized contemporary armies and commanders, De Foix is mostly remembered for his six-month campaign against the Holy League in the War of the League of Cambrai. He met his end in said conflict, at the age of 22, during the Battle of Ravenna (1512), the last of his triumphs.

John Francis "Bunny" Ahearne was a British ice hockey administrator and businessman. He served rotating terms as president and vice-president of the International Ice Hockey Federation (IIHF) from 1951 to 1975, and was the secretary of the British Ice Hockey Association from 1934 to 1971, and later its president until 1982. He began in hockey by managing the last Great Britain team to win a gold medal at the Winter Olympic Games, before moving to the international stage. He implemented business reforms at the IIHF, oversaw the growth of ice hockey to new countries, and expanded the Ice Hockey World Championships. He was inducted into both the Hockey Hall of Fame and the British Ice Hockey Hall of Fame during his lifetime and was posthumously inducted into the IIHF Hall of Fame.

Loïc Leferme was a French diver who was the world free diving record holder until 2 October 2005, when he was surpassed by Herbert Nitsch. Loic was also a founder of AIDA in 1990 with Roland Specker and Claude Chapuis in Nice. In 2002 he set the world free diving record without any breathing apparatus at 162 meters (531 ft). His first world record was 137 meters (449 ft), set in 1999. On 30 October 2004, he extended his own world record to 171 meters (561 ft) in the no-limits free-diving category. The premier advocate of this type of freediving which has come to be known as Chapuis Style Freediving.

Juan Santamaría Rodríguez was a drummer in the Costa Rican army, officially recognized as the national hero of his country for his actions in the 1856 Second Battle of Rivas, in the Filibuster War. He died in the battle carrying a torch he used to light the enemy stronghold on fire, securing a victory for Costa Rica against American mercenary William Walker and his forces. Thirty five years after his death, he began to be idolized and was used as a propaganda tool to inspire Costa Rican nationalism. A national holiday in Costa Rica, Juan Santamaría Day, is held annually on April 11 to commemorate his death.

Stephen IV was King of Hungary and Croatia, ascending to the throne between 1163 and 1165, when he usurped the crown of his nephew, Stephen III. He was the third son of Béla II of Hungary, and when his conspiracy against his brother Géza II failed, he was exiled from Hungary in the summer of 1157. He first sought refuge in the Holy Roman Empire, but received no support from Emperor Frederick I. Shortly afterwards he moved to the Byzantine Empire, where he married a niece of Emperor Manuel I Komnenos, Maria Komnene, and converted to the Eastern Orthodox Church.

Philip Mason Garner was an American professional baseball player and manager. He played in Major League Baseball (MLB) as an infielder with the Oakland Athletics, Pittsburgh Pirates, Houston Astros, Los Angeles Dodgers, and San Francisco Giants from 1973 to 1988. He was a three-time MLB All-Star. With the Pirates, he won the 1979 World Series. He managed the Milwaukee Brewers from 1992 to 1999, the Detroit Tigers from 2000 to 2002, and the Astros from 2004 to 2007. He led the Astros to their first league pennant and an appearance in the 2005 World Series.

Janet McDonald was an American writer of young adult novels as well as the author of Project Girl, a memoir about her early life in Brooklyn's Farragut Houses and struggle to achieve an Ivy League education. Her best known children's book is Spellbound, which tells the story of a teenaged mother who wins a spelling competition and a college scholarship. The book was named as one of the American Library Association's eighty-four Best Books for Young Adults in 2002. In 2003, her novel Chill Wind won her the John Steptoe Award for New Talent.

William Rodman Henry was an American professional baseball player. A left-handed pitcher, he appeared in Major League Baseball between 1952 and 1969 for the Boston Red Sox, Chicago Cubs, Cincinnati Reds, San Francisco Giants, Pittsburgh Pirates, and Houston Astros. Henry was nicknamed "Gabby" by teammates for his quiet nature. While with the Cincinnati Reds, he pitched in an All-Star Game and two World Series games, and in 1964 had an 0.87 earned run average. His 1964 season has been described as being "on the short list of the great relief seasons of all time".

Primo Michele Levi was a Jewish Italian chemist, partisan, Holocaust survivor and writer. He was the author of several books, collections of short stories, essays, poems and one novel. His best-known works include: If This Is a Man, his account of the year he spent as a prisoner in the Auschwitz concentration camp in Nazi-occupied Poland; and The Periodic Table (1975), a collection of mostly autobiographical short stories, each named after a chemical element which plays a role in each story, which the Royal Institution named the best science book ever written.

Enver Halil Hoxha was an Albanian politician, revolutionary, and communist political theorist who was the leader of Albania from 1944 until his death in 1985. He served as the First Secretary of the Party of Labour of Albania from 1941 until his death, while concurrently holding membership in its Politburo, chairman of the Democratic Front of Albania, and commander-in-chief of the Albanian People's Army. Additionally, he was the twenty-second Prime Minister of Albania from 1944 to 1954, periodically assuming the titles of foreign minister and defence minister.

Grady Edgebert Hatton Jr. was an American professional baseball second baseman, third baseman, coach and manager. He played in Major League Baseball for the Cincinnati Reds / Redlegs, Chicago White Sox, Boston Red Sox, St. Louis Cardinals, Baltimore Orioles and Chicago Cubs. Hatton is most identified with his native Texas: he was born in Beaumont, attended the University of Texas at Austin, managed minor league teams in Houston and San Antonio, and was an important contributor to the early years of Major League Baseball's Houston Astros.