The 13th World Science Fiction Convention (Worldcon), also known as Clevention, was held on 2–5 September 1955 at the Manger Hotel in Cleveland, Ohio, United States.
The chairmen were Nick and Noreen Falasca. The guests of honor were Isaac Asimov (pro) and Sam Moskowitz (mystery GoH).
Participants
Attendance was approximately 380.
Awards
1955 Hugo Awards
This convention was the second Worldcon to award the Hugos, and Hugo Awards have been a permanent fixture of the conventions since then. The 11th was the first one, but the 12th did not award any awards.
The winners were:
Best Novel: They'd Rather Be Right, by Mark Clifton and Frank Riley
Best Novelette: "The Darfsteller", by Walter M. Miller, Jr. Best Short Story: "Allamagoosa", by Eric Frank Russell Best Professional Artist: Frank Kelly Freas Best Professional Magazine: Astounding, edited by John W. Campbell, Jr. Best Fanzine: Fantasy Times, edited by James V. Taurasi, Sr. and Ray Van Houten