Alfred de Grazia, American political scientist and author (died 2014)

Alfred de Grazia, 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.

December 29 is the 363rd day of the year in the Gregorian calendar; two days remain until the end of the year.