George A. Philbrick was responsible, through his company George A. Philbrick Researches, for the commercialization and wide adoption of operational amplifier

Operational amplifier

An operational amplifier is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output...

s, a now-ubiquitous component of analog electronic systems, and the invention and commercialization of electronic analog computer

Analog computer

An analog computer is a form of computer that uses the continuously-changeable aspects of physical phenomena such as electrical, mechanical, or hydraulic quantities to model the problem being solved...

s based on the operational amplifier principle. The invention, or co-invention, of the operational amplifier has also been credited to a number of other people, including C. A. Lovell and Loebe Julie.

External links

• The Philbrick Archive
• EEtimes.com: Unsung hero pioneered op amp