5th World Science Fiction Convention
| Philcon I, the 5th World Science Fiction Convention | |
|---|---|
| Genre | Science fiction | 
| Dates | 30 August–1 September 1947 | 
| Venue | Penn-Sheraton Hotel | 
| Location(s) | Philadelphia, Pennsylvania | 
| Country | United States | 
| Attendance | ~200 | 
The 5th World Science Fiction Convention (Worldcon), also known as Philcon I, was held on 30 August–1 September 1947 at the Penn-Sheraton Hotel in Philadelphia, Pennsylvania, United States.
The chairman was Milton Rothman.