Question: Which militant radical left-wing organization, founded on the Ann Arbor campus of the University of Michigan, included David Gilbert among its members?
Sentence (from "William S. Maynard"): William Sumner Maynard (April 25, 1802 – June 18, 1866) was a politician from the U.S. state of Michigan, who served as mayor of Ann Arbor, Michigan from 1856 to 1858 and again from 1865 to 1866.
Relevant evidence: No