John R. Wullert of Warrington, died Thursday, Feb. 16, 2017, at Neshaminy Manor Nursing Home in Warrington. He was 90.

He was the beloved husband of the late Miriam D. Walsh Wullert.

Born in Scranton, Pa., he was the son of the late Ignatz “John” and Julia Stolan Wullert. He was the brother-in-law of the late William and Mary Walsh, Conrad Walsh, Eileen Walsh and Mari Walsh.

John graduated from the University of Scranton in 1948 with a degree in physics. He worked for 50 years as an electronic engineer for the Naval Air Development Center at Johnsville and for Veda, Inc, Warminster. One of his main projects was the research and development of remotely piloted vehicles (RPV), today called drones.

John was an active member of St. Cyril’s Church and the Ben Wilson Senior Center. He enjoyed woodworking, teaching and playing bridge, dancing, antique cars, singing in the choir, playing his guitar, and spending time with his family. John will be fondly remembered as a loving father, grandfather, and great grandfather.

He is survived by his six children, Janet A. Sikina and her husband, John of Hatboro, Marie W. Hoffman and her husband, Ralph of Lansdale, John R. Wullert II and his wife, Elizabeth of Martinsville, N.J., Margaret W. Cannon and her husband, Emerson of Exton, Joanne M. Wullert Visscher and her husband, Carl Visscher III of Buckingham and Mark A. Wullert and his wife, Lisa of Warrington; his sister, Ann M. Wullert of Scranton; his brothers-in-law, Carl and Donald Walsh; and his sister-in-law, Frances Walsh. He is also survived by his grandchildren, John Sikina and his wife Mary, Jeff Sikina and his wife, Colleen, Matthew Hoffman, Katie Wullert, Jerry Hoffman, Carl Visscher, Luke Wullert, Mark Wullert, and Jake Wullert; his great-grandchildren, Cole and Emily Sikina, and John Sikina III; as well as numerous nieces and nephews. He is also survived by his long-time, dear friend, Ann Lyons.

Relatives and friends are invited to attend his viewing from 6 to 8 p.m. Sunday, Feb. 19, at the Joseph A. Fluehr III Funeral Home, 800 Newtown Richboro Rd. (at Holland Rd.), Richboro and Monday, Feb. 20, at St. Cyril of Jerusalem Church, 1410 Almshouse Road, Jamison, PA 18929, from 9 to 10:45 a.m. with his Funeral Mass at 11 a.m. His interment will follow in Whitemarsh Memorial Park, Ambler.

In lieu of flowers, contributions in his memory may be made to St. Cyril's Church at the above address.