Pioneers of Computing at the Virtual Museum of Computing.
As We May Think The Atlantic Monthly; July, 1945; Volume 176, No. 1; pages 101-108.
Claude Shannon: Reluctant Father of the Digital Age in Technology Review. A Mathematical Theory of Communication (pdf) The Bell System Technical Journal, Vol. 27, pp. 379-423, 623-656, July, October, 1948.
John Vincent Atanasoff and the Birth of the Digital Computer