Charles L. Crowther, age 75, died Sunday, May 9, 2010. He was the beloved husband of 53 years of his childhood sweetheart and best friend, Nancy J. (Addor) Crowther. Born in Boston, January 16, 1935, he was the son of the late Cecil and Rena Mae (Leard) Crowther. Charles, a veteran of the United States Army, was employed with Pan AM and Delta as a crew chief. Mr. Crowther, who loved being around planes and traveling with his job, retired after 33 years of service. Charles loved to fish, travel, and work on his model trains. He also enjoyed woodworking and carving. Besides his wife, he is survived by his two daughters and sons-in-law, Carolyn and Jay Plausky of Chelmsford and Kerith and Philip Rossetti of Billerica, and his two loving grandchildren, Jenna and Justin Plausky.