Ralph Hayden graduated in 1933 with a BS in mechanical engineering, with honor. Following graduation he was first employed by the Carrier Corporation, which he later left to join the Foxboro Company, a manufacturer of industrial instruments for processing industries, in 1937. He was elected vice president in 1962, became a member of the board of directors in 1964, and president and chief executive officer in 1968. He was named chairman of the board in 1970. He retired from Foxboro in 1976 and became president of the Association for Land-Use Alternatives, Inc.
While at Michigan Tech, he was a member of Blue Key and Tau Beta Pi. He received an honorary Doctor of Engineering degree from Michigan Tech in 1970 and also received the Michigan Tech Alumni Association's Distinguished Alumnus Award in 1974. He is currently a member of the Presidents Club and a life trustee of the Michigan Tech Fund.
From 1995 Induction to the Department of Mechanical Engineering-Engineering Mechanics Academy