List of Worldcons List of Worldcons List of Worldcons

| blank | Year_ | Name_ | City | Country | Guests_of_Honor | Size_ |
|---|---|---|---|---|---|---|
| 7th | 1949 | Cinvention | Cincinnati, Ohio | United States | Lloyd A. Eshbach (pro) , Ted Carnell (fan) | 190 |
| 8th | 1950 | Norwescon | Portland, Oregon | United States | Anthony Boucher | 400 |
| 9th | 1951 | Nolacon I | New Orleans, Louisiana | United States | Fritz Leiber | 190 |
| 10th | 1952 | TASFiC (Chicon II) | Chicago, Illinois | United States | Hugo Gernsback | 870 |
| 11th | 1953 | Philcon II | Philadelphia, Pennsylvania | United States | Willy Ley | 750 |
| 12th | 1954 | SFCon | San Francisco, California | United States | John W. Campbell, Jr. | 700 |
| 13th | 1955 | Clevention | Cleveland, Ohio | United States | Isaac Asimov (pro) , Sam Moskowitz (mystery GoH) | 380 |
| 14th | 1956 | NyCon II | New York, New York | United States | Arthur C. Clarke | 850 |
| 15th | 1957 | Loncon I | London | UK | John W. Campbell, Jr. | 268 |