The 19th World Science Fiction Convention (Worldcon), also known as Seacon, was held on 2–4 September 1961 at the Hyatt House Hotel in Seattle, Washington, United States.
[2] Heinlein gave a speech titled "The Future Revisited".
The World Science Fiction Society administers and presents the Hugo Awards,[4] the oldest and most noteworthy award for science fiction.
Categories include novels and short fiction, artwork, dramatic presentations, and various professional and fandom activities.
[4][5] Other awards may be presented at Worldcon at the discretion of the individual convention committee.