Clifford Edward Berry (April 19, 1918 – October 30, 1963) helped John Vincent Atanasoff create the first digital electronic computer in 1939, the Atanasoff–Berry Computer (ABC). Events 1012 - Martyrdom of Alphege in Greenwich London. 1529 - At the Second Diet of Speyer Year 1918 ( MCMXVIII) was a Common year starting on Tuesday (link will display the full calendar of the Gregorian calendar (or a Common Events 637 - Antioch surrenders to the Muslim forces under Rashidun Caliphate after the Battle of Iron bridge. Year 1963 ( MCMLXIII) was a Common year starting on Tuesday (link will display full calendar of the Gregorian calendar. John Vincent Atanasoff ( Bulgarian: Джон Винсент Атанасов Dzhon Vinsent Atanasov) ( October 4, 1903 &ndash June 15 A computer is a Machine that manipulates data according to a list of instructions. Year 1939 ( MCMXXXIX) was a Common year starting on Sunday (link will display the full calendar of the Gregorian calendar. The Atanasoff–Berry Computer ( ABC) was the first electronic Digital Computing device