He was born June 3, 1932, to Alfred and Dorothy (nee) Thomas Cronau, of Rock Island.He married Jeannine Achilles on Jan. 26, 1958, in East Moline.
He attended Rock Island Public Schools and graduated from Rock Island High in 1950. He served in the Korean War from 1952 to 1954. He completed his apprenticeship for metal patternmaker in 1958. He retired from International Harvester in 1983.
He is survived by his wife of 56 years; and children, grandchildren and a great-grandson, Loren, Cyndi and Jake Cronau, California, Stephanie, Joe and Vincent Mearse, California, Shawana and Chris Thach, California, Lori and Dave Wilbur, Washington, Steve, Gill, Hannah and Sophie Cronau, England, and Scott Cronau, Arizona. He is also survived by brothers, Dale and Elaine Cronau, Illinois, and Tom and Cheryl Cronau, Indiana; sister Carol Black, Arkansas; and many nieces and nephews.