Novelist who wrote famous books including Marching Sands (1920), The House of the Falcon (1921), The Grand Cham (1922), and White Falcon (1926).
He matriculated from Columbia University.
He spoke four languages: English, Latin, Persian, and French, all fluently.
He grew up in Alpine, New Jersey.
Cecil B. DeMille hired him as a technical script advisor on the film, The Crusades.