Chris Mason

Canadian ice hockey player.

Born April 20th, 1976 (age 49 years) in Red Deer.

Louis Pouzin

French computer scientist.

Born April 20th, 1931 (age 94 years) in Chantenay-Saint-Imbert. ^[ref]

Stuart Lewis-Evans

Racecar driver (1930-1958).

Born April 20th, 1930 in Luton.

Died October 25th, 1958 at 28 years old in East Grinstead.

Gregory Olsen

American astronaut and businessman.

Born April 20th, 1945 (age 80 years) in Brooklyn.

Abdelmalek Droukdel

Algerian al-qaeda member.

Born April 20th, 1970 in Meftah.

Died June 3rd, 2020 at 50 years old in Mali (ballistic trauma). ^[ref]

Dan Benishek

American politician.

Born April 20th, 1952 in Iron River.

Died October 15th, 2021 at 69 years old in Crystal Falls.

Rosalynn Sumners

American figure skater.

Born April 20th, 1964 (age 61 years) in Palo Alto.

George Stibitz

Bell labs researcher; one of the fathers of the modern first digital computer.

Born April 20th, 1904 in York.

Died January 31st, 1995 at 90 years old in York.

Kai Siegbahn

Swedish physicist (1918-2007).

Born April 20th, 1918 in Lund.

Died July 20th, 2007 at 89 years old in Ängelholm.

Maurício Gugelmin

Brazilian racing driver.

Born April 20th, 1963 (age 62 years) in Joinville.