During the 1960's and 70's, he was an adjunct professor at New York University and the Catholic University of America, and taught helicopter theory as an Invited Professor at the Korean Advanced Institute of Science in Seoul.
During the 1960's and 70's, he was an adjunct professor at New York University and the Catholic University of America. Dr. Gessow also had the opportunity to teach helicopter theory as an Invited Professor at the Korean Advanced Institute of Science in Seoul.