His son , Edmund O. Schweitzer , III is founder and president of Schweitzer Engineering Laboratories ( SEL ) in Pullman , Washington , USA .
His father , Edmund O. Schweitzer , was a co-founder of S&C Electric in Chicago , Illinois , USA .
father 's son , Edmund O. Schweitzer         is founder and president of Schweitzer Engineering Laboratories ( SEL ) in Pullman , Washington USA USA .
His father , Edmund O. Schweitzer , was a co-founder of S&C Electric in Chicago , Illinois , USA .