Jack died Jan. 16, 2023.
He came to us from Northside High School in Denver, where he was active in football and track. A research assistant and majoring in civil engineering, he joined Charter Club and participated in freshman crew and track. After graduation, he earned a commission in the Navy, serving in the Naval Civil Engineer Corps. Discharged in 1957, he earned a master’s degree in structural engineering at Stanford University in 1958.
He worked for consulting structural engineers in San Francisco and Denver before starting his own firm in 1964, specializing in architectural and structural design of industrial and commercial buildings. Jack was a registered professional engineer in Colorado and several other states, including California and Illinois. He was a member of the Consulting Engineers Council, American Concrete Institute, Structural Engineers Association of Colorado, American Steel Institute, and American Historical Society of Germans from Russia. He retired from the firm Zeiler-Pennock in 1999.
Jack married Louetta Kenny in 1957. They raised four children and were divorced in 1990. He married Joyce Hodges in 1996. In retirement, Joyce and Jack enjoyed fishing, hiking, biking, skiing, and traveling to all parts of the world.
He is survived by Joyce; his daughters Jeanne Fielding, Julie Maple, Jackie Poe, and Joni Bretz; stepchildren Sha Lesser, James Kvaal, and Darren Kvaal; 15 grandchildren; two great-grandsons; and one great-granddaughter.