David L. Harper ’65 died July 31, 2014, in Camden. He was born in Thomaston on October 7, 1942, and graduated as valedictorian of Thomaston High School. He attended Bowdoin from 1961 to 1963, a member of Alpha Tau Omega fraternity. In June 1964, he enlisted in the Navy and completed basic training to become a communication technician security grade, class “A” yeoman. He served with the Security Group Detachment staff in Newport, R.I., from November 1964 to August 1965. He was assigned to Naval Security Group Activity Operations at Winter Harbor, where he served until September 1967. That October, he shipped out aboard the U.S.S. Georgetown to gather intelligence off the coast of Egypt. After several tours of duty, he was honorably discharged with the rank of cryptologic administrative petty officer first class, and received the National Defense Service Medal and Good Conduct Awards. Upon his return to civilian life, he took a job at Marine Colloids, Inc., in Rockland, while taking independent study courses in advanced chemistry at Ohio University until he completed a degree in chemistry. He remained at the company for 40 years, working in research and development of new products and applications, authoring and co-authoring several publications and contributing to several patents. Marine Colloids, Inc., went through several iterations and eventually became a part of Lonza International Group. He left the company in 2012 as a senior chemist III. He is survived by sisters Joanne Harper Mahan and Rita Harper Stump, stepdaughters Theresa Patten and Wanda Chipman and stepson Rick Taylor. He was predeceased by his wife, Mary Harper, in 1999.