7th World Science Fiction Convention

The 7th World Science Fiction Convention (Worldcon), also known as Cinvention, was held on 3–5 September 1949 at the Hotel Metropole in Cincinnati, Ohio, United States.

Cinvention, the 7th World Science Fiction Convention
Genre	Science fiction
Dates	3–5 September 1949
Venue	Hotel Metropole
Location(s)	Cincinnati, Ohio
Country	United States
Attendance	~190

Don Ford carried out the duties of chairman, but was officially Secretary-Treasurer; Charles R. Tanner had the honorary title of chairman.^[1]

Participants

Attendance was approximately 190.

Noteworthy attendees included Forrest J. Ackerman, Hannes Bok, Lester del Rey. Vince Hamlin. Sam Moskowitz, Rog Phillips, Milton Rothman, "Doc" Smith, and George O. Smith.^[2]

Guests of Honor

• Lloyd A. Eshbach (pro)
• Ted Carnell (fan)

See also

• Hugo Award
• Science fiction
• Speculative fiction
• World Science Fiction Society
• Worldcon