The ocean liner Leviathan was one of the largest and most popularly recognizable passenger ships on the Atlantic in the 1920s. Like all ocean liners, the ship was at once a complex and powerful machine as well as a socially stratified hotel catering to different travel budgets and expectations. As such, she required a large crew in order to operate successfully. On her first peacetime crossing after World War I, that crew numbered 1,100 men and women, and they worked to ensure a comfortable, safe, and rapid five-days voyage for the ships 1,800 passengers.