Height / Weight: 6'0 - 6'1, 140 - 150 pounds
Medical Conditions Houpt has a history of suicide attempts.
Other characteristics: Caucasian male. Red hair. Houpt wears eyeglasses.
Details at time of disappearance: Houpt was last seen in Sunnyvale, California on September 5, 1976. He disappeared under unknown circumstances and has never been heard from again. Few details are available in his case.