27th World Science Fiction Convention

The 27th World Science Fiction Convention, also known as St. Louiscon, was held August 28–September 1, 1969, at the Chase Park Plaza Hotel in St. Louis, Missouri, United States, under the auspices of OSFA, the . The chairpersons were and . The guests of honor were Jack Gaughan (professional) and Eddie Jones (fan artist). Jones, the Trans Atlantic Fan Fund (TAFF) winner, replaced Ted White. The toastmaster was Harlan Ellison. Total attendance was 1,534 from a registration exceeding 2,001, making it the largest Worldcon to that point in both regards.

27th World Science Fiction Convention

The 27th World Science Fiction Convention, also known as St. Louiscon, was held August 28–September 1, 1969, at the Chase Park Plaza Hotel in St. Louis, Missouri, United States, under the auspices of OSFA, the . The chairpersons were and . The guests of honor were Jack Gaughan (professional) and Eddie Jones (fan artist). Jones, the Trans Atlantic Fan Fund (TAFF) winner, replaced Ted White. The toastmaster was Harlan Ellison. Total attendance was 1,534 from a registration exceeding 2,001, making it the largest Worldcon to that point in both regards.