Arthur Jacob Marder (March 8, 1910 – December 25, 1980) was an American historian specializing in British naval history in the period 1880–1945.
Marder began his teaching career as an assistant professor of history at the University of Oregon in 1936–38.
In 1941–42, he was a research analyst in the Office of Strategic Services, before becoming an associate professor of history at Hamilton College in 1943–44.
The American Historical Association awarded him the George Louis Beer Prize in 1941 for his Harvard doctoral thesis, published as Anatomy of British Sea Power.
[4] The Royal United Services Institute for Defence Studies awarded him the Chesney Gold Medal in 1968.