Cy died on October 7, 2015. He attended Kalamazoo College and was freshman class president until he left the College to enter the service during World War ll. Cy was stationed in Hawaii and Guam as a meteorologist and was discharged in 1946 as a captain in the Army Air Force. After the war Cy returned to Kalamazoo College and graduated in 1948 with a degree in physics and mathematics. He met his future wife, Marilee Thorpe, in music theory class. After graduation Cy attended Cornell University, where he received a master’s degree in physics. He and Marilee married in 1950. Cy received a doctorate in physics at Ohio State University. He taught physics at Cornell College in Mount Vernon, Iowa, for 26 years. He chaired the department for many of those years. He also worked at Oak Ridge and Argonne National Laboratories during sabbaticals. During his professional career, Cy was the Barton S. Pauley Distinguished Emeritus Professor of Physics and the W.F. Johnson Professor of Physics from 1958 to 1984. He was a member of the Optical Society of America, American Physical Society, American Association of Physics Teachers, American Meteorological Society, History of Science Society, Society for the History of Technology and the Double Reed Society. After his retirement, Cy and Marilee moved to Ocala, Florida, in 1985 and joined First Methodist Church of Ocala. Cy played oboe for 10 years in the Gainesville Community Band and the Central Florida Symphony.