Sannu Mölder is a Professor Emeritus of Aerospace Engineering at Ryerson University. Mölder was born in Tallin, Estonia on September 1, 1935. He emigrated to Montreal, Canada, in 1949 before moving to Toronto in 1951. He earned his BASc (1958) and his MASc (1960) in Aeronautical Science, and his MEng in Industrial Engineering (1979) from the University of Toronto. From 1960 to 1963, Mölder was a researcher at McGill University, where he taught as a faculty member from 1963 to 1971. In 1971, Mölder joined the faculty at Ryerson University, where he remained until he retired to Emeritus status in 2002. As an academic, his research focused on high speed gasdynamics as applied to airbreathing propulsion systems. He has worked as a consultant to Johns Hopkins University, the Space Research Corporation (Vermont), the Aeronautical Research Laboratories (Australia), the Canadian Armament Research and Development Establishment, and the NASA Dryden Flight Research Centre. He is an Associate Fellow of the American Institute of Aeronautics and Astronautics and a Fellow of the Canadian Aeronautics and Space Institute.