Philip J. Klass was born on 1919-11-08.

Philip J. Klass died on 2005-08-09.

Philip J. Klass has written:

'Secret sentries in space' -- subject(s): Astronautics, Military, Military Astronautics, Photographs from space

'UFOs explained' -- subject(s): Unidentified flying objects

'The real Roswell crashed-saucer coverup' -- subject(s): Unidentified flying objects, Government information, Sightings and encounters

'UFOs' -- subject(s): Unidentified flying objects

William Tenn's birth name is Klass, Philip.

Philip J. Williams died in 1981.