- Category : Entertain-Music-Composer/Arranger
- Type : GP
- Profile : 3/5 - Martyr / Heretic
- Definition : Split - Small (14,15)
- Incarnation Cross : RAX Service 3
American classical recording producer, a design engineer, and an occasional electronic music composer. Pfeiffer died on 8 February 1996 at the age of 75 in Manhattan from a heart attack.