Gary L. Brinkmann, 56, of Waterloo, passed away Dec. 3, 2023, in St. Louis, Missouri. The visitation will be from 3-8 p.m. on Friday, Dec. 8 and from 8-9:30 a.m. on Saturday, Dec. 9 at Quernheim Funeral Home in Waterloo. The funeral Mass will be held at 10 a.m. on Saturday, Dec. 9 at SS Peter & Paul Church in Waterloo with Father John Igwe C. M. and Deacon Tom Helfrich officiating. Burial will be at the church cemetery.