5th World Science Fiction Convention

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.

Participants
Attendance was approximately 200.

Guests of Honor

 * John W. Campbell, Jr.
 * L. Jerome Stanton (toastmaster)