What is the birth date of the person Martin Blumenson wrote an authoritative biography of?
Martin Blumenson Martin Blumenson (8 November 1918–15 April 2005) was an American military historian who served as a historical officer with the Third and Seventh Armies in World War II and later became a prolific author. His works included an authoritative biography of General George S. Patton.
Asa Briggs Asa Briggs, Baron Briggs (7 May 1921 – 15 March 2016) was an English historian. He was a leading specialist on the Victorian era, and the foremost historian of broadcasting in Britain. He was made a life peer in 1976.