The third Worldcon, and first in Denver, Denvention I was held July 4–6, 1941, at the Shirley-Savoy Hotel in Denver, Colorado. GoH: Robert A. Heinlein. The chairman was Olon F. Wiggins and Lew Martin was most of the rest of the con committee. The pre-convention publication was the 4-issue CFS Review.
Fantasy Times reported in October 1941 that attendance was estimated to be about 100 of which 68 actually registered. Fans attended from 28 states, including Forrest J Ackerman, Morojo, E. E. Evans, Art Widner, Robert Heinlein, Leslyn Heinlein, Erle Korshak, Bill Deutsch, Walt Daugherty, Cyril Kornbluth, Robert Lowndes, Milt Rothman, Olon F. Wiggins, Lew Martin, Edmond Hamilton, Gus Wilmorth, Julius Unger, and D. B. Thompson. The proceedings were recorded on 65 phonograph records by Daugherty. There was a combozine, The Denventioneer.
Denvention Medals were given to:
- Forry Ackerman for Best Fan and being of most service to Fandom
- Roy Hunt for Best Fan Artist
- Wiggins for Best and Most Consistent Fan Mag
- Damon Knight for Top Humorist
- Julie Unger for Best News-weekly
At the costume ball, Forrest J Ackerman wore a mask designed by the young fan Ray Harryhausen, Damon Knight dressed as a junior G-man, Cyril Kornbluth was a mad scientist, and Heinlein as Adam Stink, the world's most life-like robot.
At the Denvention bids to host the 1942 Worldcon were presented for San Francisco by Joe Fortier, Washington, DC by Milton Rothman, Philadelphia by Robert A. Madle, Los Angeles by Walter Daugherty.
- Denvention I publications and photos on fanac.org.
- List of Denvention Members.
- Forrest J Ackerman's Denvention I Reminiscence.
- Con report by Dick Schultz.
|From Fancyclopedia 2, ca. 1959|
|from Convention DenVention was presented 4-6 July in Denver Colorado, by the Colorado Fantasy Society. Guest of Honor Heinlein made an outstanding speech. Also worthy of remark was the travelling that fans did to get there; the Widneride, riding the rods, making the trip on a starvation shoestring, etc. The award offered for the fan overcoming the greatest difficulties to attend was deserved by many.|
|From Fancyclopedia 1, ca. 1944|
|(Wollheim) - The Denver Convention of 1941.|
|Chicon I||Worldcon - Bidding - Hugos||Pacificon I|
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