Bringmann, Hans Ludwig, 90, retired Chief Engineer of Litwin Engineering, passed away on Monday, April 21, 2014. He was born June 13, 1923, in Berlin, Germany, to Paul and Maria Bringmann. He immigrated to Wichita in 1957 after the death of his parents and started a new life. He is survived by his loving wife of 65 years, Waltraud Bringmann; sister, Margarete Schoener of Vienna; son, Peter (Sharon) Bringmann of Los Angeles, C.A.; daughter, Claudia (Les) Richardson of Wichita; grandchildren, Nicole, Danielle, Noelle, Nicolas, and Justine; and his great-granddaughter, Nicolette. A memorial service will be held 11:00 a.m. Friday, April 25, 2014 at Gloria Dei Lutheran Church 1101 North River Blvd. Memorials may be made to Harry Hynes Memorial Hospice.