Rebecca Bace

American computer security expert

1955 – 2017 · United States

Rich Hickey

Computer programmer and creator of Clojure

1901 – present · United States

Richard Bolt

American physics professor (1911–2002)

1911 – 2002 · United States

Richard Gingras

American entrepreneur

1952 – present · United States

Richard Leibler

American mathematician and cryptanalyst (1914 - 2003)

1914 – 2003 · United States

Richard Menta

American journalist

United States

Richard Schroeppel

American mathematician

1948 – present · United States

Richard Stallman

American activist and programmer (born 1953)

1953 – present · United States

Richard V. Andree

American mathematician and computer scientist (1919–1987)

1919 – 1987 · United States

Robert C. Seacord

American computer security expert (born 1963)

1963 – present · United States

Robert Dewar

Computer scientist

1945 – 2015 · United States

Robert Fano

Italian-American computer scientist

1917 – 2016 · United States

Robert Hettinga

1959 – present · United States

Robert Kahn (computer scientist)

American Internet pioneer (born 1938)

1938 – present · United States

Robert McEliece

1942 – 2019 · United States

Robert Morris (cryptographer)

American cryptographer (1932–2011)

1932 – 2011 · United States

Robert Tappan Morris

American computer scientist; creator of Morris Worm; associate professor at MIT

1965 – present · United States

Robert Taylor (computer scientist)

American computer scientist

1932 – 2017 · United States

Roberto Pieraccini

Italian-American computer scientist

1955 – present · United States

Roberto Tamassia

Italian-American computer scientist

1960 – present · United States

Rohit Khare

Indian American computer scientist

United States

Ron Crane (engineer)

American electrical engineer (1950–2017)

1950 – 2017 · United States

Ron Rivest

American cryptographer (born 1947)

1947 – present · United States

Ronald Baecker

American computer scientist (born 1942)

1942 – present · United States

Ross Cohen

American computer programmer

1977 – present · United States

Roy Fielding

American computer scientist

1965 – present · United States

Russ Nelson

American computer programmer

1958 – present · United States

Ryan C. Gordon

Computer programmer

1978 – present · United States

Ryan Lackey

American businessman (born 1979)

1979 – present · United States

Sally Floyd

American computer scientist (1950–2019)

1950 – 2019 · United States

Sam Lantinga

American computer programmer

1974 – present · United States

Sam Leffler

American computer scientist

United States

Sameer Parekh

American businessman

United States

Samuel N. Alexander

American computer scientist

1910 – 1967 · United States

Samy Kamkar

American businessman

1985 – present · United States

Sandy Lerner

American entrepreneur and animal rights activist

1955 – present · United States

Sarah Allen (software developer)

American software developer

2000 – present · United States

Sarah Jamie Lewis

Privacy and anonymity researcher; technologist

1901 – present · United States

Scott Bradner

American academic

1944 – present · United States

Sean Egan

American free software programmer

1982 – present · United States

Sergey Brin

American computer scientist (born 1973)

1973 – present · United States

Sergiy Vilkomir

Ukrainian-born computer scientist (1956–2020)

1956 – 2020 · United States

Seymour Papert

American computer scientist (1928–2016)

1928 – 2016 · South Africa

Shafi Goldwasser

Israeli American computer scientist (born 1959)

1958 – present · United States

Shai Halevi

Israeli cryptographer (born 1966)

1966 – present · United States

Shannen Rossmiller

American online terrorist-hunter (1970–2020)

1969 – 2020 · United States

Shawn Carpenter

American Navy veteran and whistleblower

1968 – present · United States

Silvio Micali

Italian-American computer scientist (born 1954)

1954 – present · United States