Mr. Lewis was born in Abington, PA, the son of James McKeen Lewis and Alice Kendall Lewis. He first met his wife of nearly 66 years, Betsey Converse Lewis, when they were both teenagers living in Stony Creek, CT.
Mr. Lewis graduated from Williston Academy in 1939, and went on to Yale College, but left to serve in the Navy during World War II. His service was mostly in the Pacific aboard the light cruiser, the USS Denver. After the war he returned to Yale and completed his degree in Industrial Engineering, graduating as a member of the class of 1943. During the war Mr. Lewis re-encountered Betsey Converse and asked for her hand. They were married on December 4, 1948 at St. Thomas Episcopal Church in New Haven, CT.