Resources:

Founder: Allison Research which later became Valley People.

Currently, Paul C. Buff, Inc., manufacturer of White Lightning and Alien Bees studio lighting equipment.

Paul C. Buff - Short autobiography:

THAT Corp: A Brief History of VCA Development

Patents:

U.S. Patent No. 4,225,794, 09/30/1980: Voltage controlled amplifier Buff, Paul C. [ abstract ] [ DjVu 102 KB ]

U.S. Patent No. 4,341,962,  07/27/1982: Electronic gain control device Buff, Paul C. [ abstract ] [ DjVu 143 KB ]