JOHN E. CLARK JR., a retired mechanical engineer, died Nov. 13, 2016, at age 83. He was a member of Beta Theta Pi and received his mechanical engineering degree from the Newark (N.J.) College of Engineering. He worked for Fairbanks Morse until he retired in 1996. He enjoyed sports and puzzles. His wife, Ruth Eldridge Clark, predeceased him. He is survived by his wife, Pamela Achord, four children, eight grandchildren, five great-grandchildren, and a stepdaughter.