Diffin, Charles Willard

Analog Science Fiction and Fact is an American science fiction magazine. As of 2013, it is the longest running continuously published magazine of that genre. Initially published in 1930 in the United States as Astounding Stories as a pulp magazine, it has undergone several name changes, primarily to Astounding Science-Fiction in 1938, and Analog Science Fact & Fiction in 1960. In November 1992, its logo changed to use the term "Fiction and Fact" rather than "Fact & Fiction." It is in the library of the International Space Station. Spanning three incarnations since 1930, this is perhaps the mos...