June 19, 1623

Blaise Pascal

July 1, 1646

Gottfried Wilhelm Von Leibniz

December 26, 1791

Charles Babbage

November 2, 1815

George Boole

December 10, 1815

Lady Ada Lovelace

February 29, 1860

Herman Hollerith

October 4, 1903

John V. Atanasoff

December 28, 1903

John Von Neumann

December 9, 1906

Grace Hopper

August 30, 1907

John W. Mauchly

June 23, 1912

Alan Turing

April 9, 1919

John P. Eckert

Novmeber 8, 1923

Jack Kilby

February 15, 1934

Niklaus Wirth

December 30, 1950

Bjarne Stroustrup

February 24, 1955

Steve Jobs

October 20, 1955

Bill Gates