List of Famous people who died in 1970

Rafael Ángel Calderón Guardia was a Costa Rican doctor and politician, who served as President from 1940 to 1944.

Hans Howaldt was a successful and highly decorated German U-boat commander in the Kaiserliche Marine during World War I and also active in World War II. By the end of World War I he was promoted Kapitänleutnant.

Manuel Gómez-Moreno Martínez, was a Spanish archaeologist and historian.

Adrian Malcolm Conan Doyle was the youngest son of Sir Arthur Conan Doyle and his second wife Jean, Lady Doyle or Lady Conan Doyle. He had two siblings, sister Jean Conan Doyle and brother Denis, as well as two half-siblings, sister Mary and brother Kingsley.

John Henry O'Hara was one of America's most talented and 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. His work is stands out from that of his contemporary authors for its unvarnished realism. While O'Hara's legacy as a writer is debated, his champions rank him highly among the under-appreciated and unjustly neglected major 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.

Percival Harry Westmore was a prominent member of the Westmore family of Hollywood make-up artists. He rose to the position of Head of the Warner Bros. make-up department, and with his brothers founded the studio "The House of Westmore" on Sunset Boulevard in Los Angeles. He worked with well-known Hollywood actresses of the period, including Lauren Bacall, Bette Davis and Kay Francis. He was married on four occasions, and collected cuttings relating to the Westmore family throughout his life which were subsequently donated to Academy of Motion Picture Arts and Sciences after his death.