John A. "Jack" Johnson

Historical marker location:

4001 North Clark Street, Chicago, Illinois

( Marker can be reached from Main Avenue, on the left when traveling north.)

1878 - 1946.

The Illinois State Police, founded in 1922, is one of the oldest state police agencies in the United States. The agency is responsible for enforcing state laws, protecting state property, and providing security for the governor and other state officials.