Roger L. Ptak, assistant professor of physics at DePauw University from 1966-68, died September 18 as a result of injuries he suffered in an accident during a trip home to Maine from Ohio. He was 76 years old.
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Roger L. Ptak, assistant professor of physics at DePauw University from 1966-68, died September 18 as a result of injuries he suffered in an accident during a trip home to Maine from Ohio. He was 76 years old.