For instance, the French immigrant Georges Doriot. A professor at the Harvard Business School since 1926, he became a citizen in 1940 and was commissioned a lieutenant colonel in the Quartermaster Corps, at the request of a former student who was Quartermaster General. By the end of the war, Doriot was a brigadier general. After the war, he returned to Harvard and achieved considerable fame as a venture capitalist.
And he noted because he is an abnormality.