20th-century American mathematicians

Pope Leo XIV is the head of the Catholic Church and sovereign of Vatican City since May 2025. He is the first pope to have been born in the United States, the first to hold either U.S. or Peruvian citizenship, the first from the Order of Saint Augustine, and the second from the Americas.

Austrian-American logician, mathematician, and philosopher of mathematics (1906-1978)

American computer scientist and mathematician (born 1938)

Indian-American astrophysicist

American computer scientist and United States Navy officer (1906–1992)

Polish-born, French and American mathematician (1924–2010)

African-American mathematician

Theodore John Kaczynski, also known as the Unabomber, was an American mathematician and domestic terrorist. A mathematics prodigy, he abandoned his academic career in 1969 to pursue a reclusive primitive lifestyle and lone wolf terrorism campaign.

theoretical physicist and mathematician (1923–2020)

American mathematician, scientist in cybernetics and artificial intelligence (1894–1964)

American mathematician and information theorist (1916–2001)

American physicist (1899–1980)

American mathematician (1917–2011)

American mathematician (born 1942)

American computer scientist (1924–2007)

American mathematician and logician (1903–1995)

Polish-American logician (1901-1983)

American philosopher

American mathematics and science writer (1914–2010)

Hungarian-American mathematician, aerospace engineer and physicist (1881–1963)

Norwegian mathematician (1917–2007)

American astronomer (1835–1909)

American child prodigy (1898-1944)

American mathematician

American mathematician and meteorologist (1917–2008)

American computer scientist

American particle physicist and cosmologist

American computer scientist (1931–2022); author of The Mythical Man-Month and 'No Silver Bullet' (1986), which distinguished essential from accidental complexity in software engineering

American mathematician

American computer scientist

British-American scientist and businessman (born 1959)

American mathematician

American mathematician from Hong Kong

Soviet-American mathematician

American mathematician and information theorist (1915–1998)

American mathematician (1897–1965)

American mathematician (1946–2012)

British/American mathematician

Belgian physicist and mathematician

American mathematician of Hungarian origin (1926–2025)

Chinese-American mathematician and poet (1911-2004)

American mathematician and hedge fund manager (1938–2024)

Austrian-Armenian mathematician (1898–1962)

Mathematician and Fields Medalist at Microsoft Station Q

Jewish-Hungarian American mathematician, computer scientist, educator, and President of Dartmouth College

American musician and mathematician (1928–2025)

American mathematician

American theoretical computer scientist (b.1935)

American mathematician (1930–2026)

Hungarian mathematician

American mathematician and computer scientist

American mathematician

US physicist and discoverer of the relative-state interpretation of quantum mechanics

Russian-American mathematician

American mathematician (1919–1985)

American mathematician (1924–2021)

American mathematician and theoretical computer scientist (1909–1994)

Hungarian-born American electrical engineer

American mathematician (1925-2019)

American mathematician and Fields medallist