Joseph Arthur Simon's The Greatest of All Leathernecks is the first comprehensive biography of John Archer Lejeune (1867-1942), a Louisiana native and the most innovative and influential leader of the United States Marine Corps in the twentieth century. As commandant of the Marine Corps from 1920 to 1929, Lejeune reorganized, revitalized, and modernized the force by developing its new and permanent mission of amphibious assault. Before that...