Background
Koeller, Ralph Carl was born on August 9, 1933 in Chicago, Illinois, United States. Son of Walter Henry and Matilda (Siegwart) Koeller.
Mechanical engineering educator
Koeller, Ralph Carl was born on August 9, 1933 in Chicago, Illinois, United States. Son of Walter Henry and Matilda (Siegwart) Koeller.
Bachelor of Science in Mechanical Engineering, Illinois Institute of Technology, 1957. Master of Science in Mechanical Engineering, Illinois Institute of Technology, 1959. Doctor of Philosophy in Mechanics, Illinois Institute of Technology, 1963.
Assistant research engineer Illinois Institute of Technology Research Institute, Chicago, 1957—1959, research assistant, teaching assistant, 1959—1962. Assistant professor mechanical engineering University Colorado, Boulder, 1963—1979, associate professor mechanical engineering Denver, since 1979, chairman department, 1982. Associate Ponderosa Associates.
Member of American Society of Mechanical Engineers, Tire Society, Tau Beta Pi, Pi Tau Sigma, Sigma Xi.
Married Margaret Wilson, July 24, 1976. Children: Ralph Kevin, Cora Joan, Henry John.