1924 - 2019
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Age 94, Lt. Col USA (Ret.). On January 13, 2019 in the Washington, D.C. area, where he had been living with his daughter, Marcia A. Wiss. He was born in Genoa, Ohio on August 7, 1924 to John E. Wiss and Lucille (Manney) Wiss. He was a Professor of Mechanical Engineering at Carnegie Mellon University for 30 years. He graduated from the U.S. Military Academy in 1946 and received his Masters in Mechanical Engineering from Rensselaer Polytechnic Institute, and did additional graduate study at the University of Michigan. His career spanned government, industrial and academic positions. He served as an Army Ordnance Officer for 20 years, including as Chief of the Army Tank-Automotive Laboratories in Detroit. He served in the Korean War; Tokyo, Japan; White Sands Proving Ground, N. Mexico; Jet Propulsion Laboratories, California; and Berlin, Germany. He held numerous patents. He was preceded in death by his wife of 67 years, Margaret Ann (Cook) Wiss; he is survived by his sisters, Martha Blakeman of Blacklick, Ohio and Margaret Thornton (and her husband, Dexter Thornton) of Williamston, Michigan; and predeceased by his sister, Dr. Mary L. Wiss; he is survived by his children, Marcia A. Wiss of Washington, D.C. and John M. Wiss of Anchorage, Alaska; his grandchildren, Christopher C. W. MacDonald (and his wife, Laura Casserly) of Portland, Maine and Joan M. Schaefer (and her husband, Clayton Schaefer) of Washington, D.C.; and his great-grandchildren, Thomas Huxley Schaefer and William F. Schaefer, both of Washington, D.C., and Wendell G. C. MacDonald of Portland, Maine; he is survived by seven nieces and nephews, including Alice Blakeman of Portland, Oregon, who gave him great support and comfort during his final years in Pittsburgh, Pennsylvania. A Memorial Mass will be said for him at the chapel at Holy Trinity Church in Washington, D.C. at 10:30 a.m., Friday, January 25, 2019 with a reception to follow in Holy Trinity's McKenna Hall. That evening, a viewing will be held at JOSEPH GAWLER'S SONS, 5130 Wisconsin Ave., NW, Washington, D.C. 20016 from 6 to 8 p.m. He will be buried at Arlington National Cemetery with full military honors in approximately 4 to 6 months. In lieu of flowers, contributions may be made to the Catholic Chapel at West Point for retreats, lectures or social events for the USMA cadets and their guests.

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Published in Pittsburgh Post-Gazette from Jan. 19 to Jan. 21, 2019.
Memorial Mass
10:30 AM
Holy Trinity Church
Memories & Condolences
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12 entries
January 31, 2019
You father was such a wonderful professor and leader. He was so supportive of all my PR/media programs at Carnegie Mellon. His wit, humor and lust for life will be missed. My late mother loved hearing about all his wonderful stories of military service and history. One of America's "Greatest Generation.''
Chriss Swaney
January 27, 2019
Dear Marcia,

I was so sorry to hear about your fathers death. My memories of Uncle John are very good- he was a solid and sincere man who was one of my few uncles that I felt completely comfortable. Would love to know how Aunt Margaret greeted him in Heaven? You are in my thoughts.

Love, Peggy Ducey
January 22, 2019
Marcia, I am saddened to read of your father's passing. He clearly was a good man, which truly comes threw in his daughter. Your care for him and dedication to him are a symbol of your love. Know that you are in our prayers.
Cathi & Ned Hogan
January 22, 2019
John Wiss was a part of our community at Holy Trinity Georgetown and with his daughter, Marcia, was welcomed and loved by all who knew him. . We know he rests in the comfort of our Lord. His loss to his daughter is felt by her friends. Peace.
Cathy Quinn
January 22, 2019
Marcia, so sorry to learn of your father's death. I didn't know him but saw how lovingly you cared for him when you brought him to Mass at 5:30 on Sundays. May he rest in peace and may you find comfort. Best, Rich Landfield
January 21, 2019

My condolences to the Wiss family for the loss of your dear loved one. May you be strengthened with all power, so that you may fully endure with patience and joy.
January 19, 2019
It is with genuine sorry that I read of the passing of your beloved brother, John. He was a very interesting man to talk to, a great asset to Carrick Sportsmen and was considered by me to be a true friend. I'm glad he got to spend some time with you and your family in D.C..
Stephen Boehm
January 19, 2019
Grief can be so hard, but our special memories help us cope. Always remember that our wonderful Heavenly Father promises to care and support you during this difficult time. (Psalms 145:18,19) Please accept our sincere heartfelt condolences.
January 19, 2019
I am truly deeply sorry for your Loss. My warmest condolences to out to the family and friends of John. May the God of all comport Grant you peace and strength during difficult time (psalm 91:1 ).
January 19, 2019
Am sorry for your loss; know its never easy.
Jim Polley
January 19, 2019
Am sorry for your loss; know its never easy.
Jim Polley
January 19, 2019
I am so sorry for your loss. May God strengthen your family at this time. Ps. 119:28.
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