Roger Birkman: key obituary facts
Is Roger Birkman dead? Yes. Roger Birkman died on March 26, 2014, at age 95.
Cause of death: Roger Birkman's cause of death has not been publicly confirmed.
What was Roger Birkman known for?
He was known as American organizational psychologist.
American organizational psychologist
Died on Wednesday March 26th 2014