Background
Grassman was born on November 16, 1882 in Richland County, Wisconsin.
Grassman was born on November 16, 1882 in Richland County, Wisconsin.
He graduated from high school in Sextonville, Wisconsin before attending the University of Wisconsin–Whitewater and Valparaiso University.
Grassman died on September 20, 1952. Additionally, he was an alderman and Mayor of Edgerton, Wisconsin and Supervisor of Rock County, Wisconsin. He was a Republican.
Grassman was a member of the Assembly from 1933 until his death.