Who's Who in Fandom 1940

A Who's Who published in Summer 1940, probably by Ted Dikty. It contained 16 pages of capsule biographies of major fans of the time.

http://fanac.org/Fannish_Reference_Works/WhosWho/WhosWho02-01.html (IA) Copies at Fanac

This is a fanzine page. Please extend it by adding information about when and by whom it was published, how many issues it has had, (including adding a partial or complete checklist), its contents (including perhaps a ToC listing), its size and repro method, regular columnists, its impact on fandom, or by adding scans or links to scans.