We have a Leonard Radtke, born abt. 1913 in Wisconsin.His parents were August B. Radtke (b. 4/1886) and Helen B. Poppe (b. 5/26/1890), both born and raised in the Marion, Waupecon Co. area.In both the 1920 and 1930 censuses, he was living in Halsey, Marathon Co., WI, living with his parents.
Does this fit your information?If so, I would be interested in sharing/trading info. with you.