excerpt from wikipedia —

James J. Horgan, PhD was a history professor at St. Leo College in San Antonio, Florida for 35 years, a historical society president, a Florida Historical Society board member, a prolific author and an NAACP chapter founder. He is listed as a Great Floridian. He was head of the History Department at Saint Leo College from the 1960s through the mid 1990s until just before his death due to cancer. Dr Horgan was loved and cherished as professor, friend, neighbor, intellectual (member of the Tampa chapter of Mensa), Civil Rights leader and philanthropist.