Adam Makos is an American author and military historian. His works include A Higher Call (2012), which recounts the Charlie Brown and Franz Stigler incident, and Spearhead (2019), a detailed biography of World War II tank gunner Clarence Smoyer. Both books have appeared on the New York Times Best Seller list. The 2022 film, Devotion, is based on his 2015 book of the same title, which tells the true story of a friendship between two U.S. Navy pilots in the Korean War.