He received a BA degree from Pomona College in perceptual psychology in 1965 ( including the study of the Ganzfeld effect ) and also studied mathematics , geology and astronomy there .
He earned a BA degree from Pomona College in perceptual psychology in 1965 . He studied the Ganzfeld effect and mathematics , geology and astronomy there .
In 1975 , Rush went to Paris for two years and studied mime , movement and theatre at the L'École Internationale de Théâtre Jacques Lecoq , before returning to continue his stage career with QTC .