That explains Brando, Duke Ellington, Greta Garbo, Muhammad Ali and of course james dean.
In 1956, james dean died in a car wreck, shortly before the release of Giant.
It was dying like james dean—not just in a car crash but in a Facel Vega no less—that gave Camus a niche in popular culture.
early 14c., from Old French deien (12c., Modern French doyen), from Late Latin decanus "head of a group of 10 monks in a monastery," from earlier secular meaning "commander of 10 soldiers" (which was extended to civil administrators in the late empire), from Greek dekanos, from deka "ten" (see ten). Replaced Old English teoðingealdor. College sense is from 1570s (in Latin from late 13c.).