Career
Hanko ran unsuccessfully as a Republican Candidate for the Pennsylvania State House of Representatives in 1948. He was for a time a professor of history at the Brooklyn Polytechnic Institutein the Department of History and Economics. He held a fellowship related to economics at Case Institute of Technology (now part of Case Western Reserve University) in 1954.
Hanko wrote biographies of John Gibson and Matthew Stanley Quay.
Other books by Hanko include Economic threats to America and Christian Mobilizing (Neward: Washington Irving Public Company, 1955).