William Winkelman (January 14, 1933 – September 5, 2014) was an American politician who served in the Iowa House of Representatives from 1963 to 1973 and in the Iowa Senate from 1973 to 1977. He died on September 5, 2014, in Des Moines, Iowa at age 81. References 1933 births 2014 deaths Republican Party members of the Iowa House of Representatives Republican Party Iowa state senators