Alfred de Grazia, American political scientist and author (b. 1919)
Alfred de Grazia (December 29, 1919 – July 13, 2014), born in Chicago, Illinois, was a political scientist and author. He developed techniques of computer-based social network analysis in the 1950s, developed new ideas about personal digital archives in the 1970s, and defended the catastrophism thesis of Immanuel Velikovsky.