Edmund O. Schweitzer Jr.

Edmund O. Schweitzer, Jr. founded E. O. Schweitzer Manufacturing in 1950 for the purpose of manufacturing fault indicator technology. His father, Edmund O. Schweitzer, was a co-founder of S&C Electric in Chicago, Illinois, USA. His son, Edmund O. Schweitzer, III is founder and president of Schweitzer Engineering Laboratories (SEL) in Pullman, Washington, USA. Edmund O. Schweitzer, Jr. amassed over 100 patents by the time of his death in 2000.