After graduating from Yale in 1968, John F. Winkler returned to his native Ohio, where he is an attorney in Columbus. He has written many works on the history of Roman, early English, and American law. He also explores forgotten historical sites in Ohio and neighboring states.

Peter Dennis was born in 1950. Inspired by contemporary magazines such as Look and Learn he studied illustration at Liverpool Art College. Peter has since contributed to hundreds of books, predominantly on historical subjects, including many Osprey titles. A keen wargamer and modelmaker, he is based in Nottinghamshire, UK.
John F. Winkler lives in Columbus, Ohio, with his wife of more than 40 years. They have three children and six grandchildren. He has written many works on the history of Roman, English, and American law. He also explores forgotten historical sites in Ohio and neighboring states.
Peter Dennis was inspired by contemporary magazines such as Look and Learn, leading him to study Illustration at Liverpool Art College. Peter has since contributed to hundreds of books, predominantly on historical subjects, including many Osprey titles. A keen wargamer and modelmaker, he is based in Nottinghamshire, UK.