December 5, 2012 Dr. Michael Benzakein, Director of Propulsion and Power Center at Ohio State University in the United States was a guest of the Institute of Aviation in Warsaw. He met representatives of the Institute of Aviation and the Warsaw University of Technology. The purpose of the visit of eminent builder of jet engines and the winner of many awards in the field of aircraft propulsion was to summarize the existing trilateral cooperation between the institute of aviation, american university and the university of technology as well as discussion on the directions of its development. Dr. Benzakein was also a guest of the Ministry of Economy.