John Witter Stewart, 73, of Macungie, died Oct. 14, 2013, in his home. He was the husband of Hallie (Macdonald) Stewart. They would have been married for 50 years in November. Born in Boston, Mass., he was the son of the late John Alexander Stewart and Marion Lee (Witter) Stewart.

He graduated from Lexington High School and attended Kents Hill Preparatory School in Maine post graduate. He attended Saint Lawrence University, Canton, N.Y., where he played ice hockey.

In 1959 he enlisted in the U.S. Navy and served as an electronics technician 2/C aboard the USS John W. Weeks at her home port at Norfolk Naval Station, Virginia. While aboard ship he took part in the Cuban Blockade during the Cuban Missile Crisis of 1962. He was awarded the National Defense Service Medal, the Navy Expeditionary Ribbon Medal, a Letter of Commendation and Good Conduct Medal.

He returned to Boston in 1963 and graduated from Boston University in 1966 with a Bachelor of Science degree in business administration. He earned further degrees and certificates from Cornell University and Penn State University.

He retired from a long career in the manufacturing industry as a vice president having worked for General Electric, Ingersoll Rand, and JLG Industries. In retirement he served as an adjunct professor at Penn State where he taught supply chain management and international free trade. He assisted with the U.S. Census, and volunteered for the Lehigh Valley Water Authority.

He was a 32nd Degree Mason and a member of the Lehigh Valley Day Lodge No. 813 F&M in Macungie.

He was an ordained elder and deacon in the Presbyterian Church, USA and was a member of Faith Presbyterian Church, Emmaus.

He was an avid sailor, a stained glass artist and enjoyed spending time with his friends on the golf course. He loved life at Wild Cherry Knoll and summers at the family beach house in Humarock Beach, Mass.

He is survived by his wife; son, Bruce and his wife Julia, of Coppell, Texas; daughter, Heather and her husband Bradley Pyne, of New Providence, N.J.; three grandchildren, Elizabeth, Alexandra, and Henry, of New Providence, N.J.; sister, Mary Luette and her husband J. Gilbert Rodes, of Williston, Vt.

Memorial contributions may be made in his name to Shriner's Hospital Children's Burn Unit, 41 Blossom St., Boston, Mass., 02114.

Arrangements were made by the J.S. Burkholder Funeral Home, Allentown.