He was born in Wardsville to John George and Hilda Gertrude Moeller Rademan. He was married on August 18, 1951 in Wardsville to Doris Jane Wilson who died on March 3, 2000. Survivors include a son and daughter-in-law, John and Connie Rademan, Jefferson City; a daughter and son-in-law, Joyce and Joe Theiss, Auxvasse; five grandchildren; ten great-grandchildren; six sisters, Marcella Hentges, St. Martins; Angeline Hofmann, Catherine Rademan, and Hilda Marie Rackers, all of Jefferson City; Dorothy Schnieders, California, MO; and Helen Schnieders, Wardsville; and a sister-in-law, Loretta Rademan, Jefferson City. He was a member of Immaculate Conception Catholic Church; Fraternal Order of Eagles Aerie No. 2693; Knights of Columbus Helias Council No. 1054; and American Legion Post No. 5. Memorials are suggested to the American Cancer Society, 2932 Mohawk, Jefferson City, MO 65101. Mr. Rademan was employed with R.E. Natsch Heating & Cooling Company from 1960 to 1975 when he founded the Rademan Heating & Air-Conditioning Company which he owned and operated until his retirement in 1995.