of the AIAA, honorary director-at-large from 1966 to 1968, and a vice president in 1968, and he served two terms as president from 1969 to 1970. In 1978 he was the Guggenheim lecturer for the International Congress of Aerospace Sciences.
Dr. Smelt served on advisory committees for Stanford University from 1988 to 1989 and was on the advisory committee for the NASA–Stanford Center for Turbulence Research. He was also a member of the American Physical Society, a fellow of the American Astronautical Society, a fellow of the Cambridge Philosophical Society, and a fellow of the Royal Aeronautical Society. From the latter he received the Simms Gold Medal in 1962 for his paper on the Lockheed Agena satellite. He also gave an invited paper, “Looking Ahead in Aeronautics and Astronautics—A U.S. View,” as part of the Royal Aeronautical Society Second Century Papers, in 1969.
Ronald Smelt married Marie Annita Collings on November 2, 1940. They had one son, David. Sadly, they both predeceased Ronald—Marie in May 1964 and David in October 2004. In January 1965, Dr. Smelt married Jean Lorraine Stuart, who, together with her daughter Anne and Roy’s daughter-in-law Cheryl Smelt, survive him.