John F. Michalk, 80, passed away Monday, September 9, 2013 in Tulsa, OK. He was born March 5, 1933 in Bishop, Texas to J. G. Michalk and Irma Nee Bertram. He served during the Korean War. John graduated with an Engineering degree from A&I College, and was retired from Amoco Corporation. He was preceded in death by; his parents; and brother, Lawrence Michalk. He is survived by; wife of 54 years, Katherine, and; daughter, Stephanie Michalk, of Tulsa; sisters, Natalie Wolter, Corpus Christi, TX, Gert Kosik, Chicago, IL and Mary Ann Rauh, St. Louis, MO; and brother, Eugene Michalk, Lufkin, TX. In lieu of flowers, family and friends may donate to their favorite charity. A private family Memorial will be held at Fitzgerald Southwood Colonial Chapel, 918-291-3500.