Blowing in the Wind
With one letter of reference and a British taxi, Stacey arrived in LA from England and worked his way up to AD, a profession he chose because it paid $5 more per week than DP.
New York to Hollywood
Starting out cleaning lights at Biograph Studios, Jacobson worked his way up to 1st AD with on-the-fly solutions like substituting iced tea for whiskey to keep W.C. Fields sober.
The first Mexican-American admitted to the Guild (in 1937), Day was known for his professionalism - so much so that C.B. DeMille told him he'd never do a picture without him.