John R. Petrus (October 23, 1923 - October 2, 2013) was an American politician who was a member of the Wisconsin State Assembly. Biography Petrus was born in Walsenburg, Colorado. He graduated from the University of Wisconsin-Madison. Career Petrus was elected to the Assembly in 1952. He was a Republican. References People from Walsenburg, Colorado University of Wisconsin–Madison alumni 1923 births 1983 deaths 20th-century American politicians Republican Party members of the Wisconsin State Assembly