" A handsome, cosmopolitan forty-three-year-old, Gebhardt had been a decorated World War I flying ace, serving in the squadron of Manfred von Richthofen, the legendary “Red Baron.” Following the war, he had earned his doctorate degree in political economy from Frankfurt University with a dissertation on “The International Trade in Machinery.” After a brief teaching stint, he had gone into business, earning a fortune in the automobile and locomotive industries before establishing a highly successful import-export firm that specialized in “exchanging German raw material for American commodities.” Charming, cultured, fluent in several languages, he also harbored political ambitions and had hopes of being named German ambassador to the United States—a fair expectation, given his close friendship with high Nazi officials, particularly Hermann Göring, a fellow Richthofen pilot during the Great War.9 "

― Harold Schechter , The Mad Sculptor: The Maniac, the Model, and the Murder that Shook the Nation