"Would it help if I got out and pushed?"
—Princess Leia to Han Solo in The Empire Strikes Back
"She tried to sit in my lap while I was standing up."
—Private detective Philip Marlowe in The Big Sleep
From sharp-tongued space princesses to Bogey's grim gumshoe, some of Leigh Brackett's most enduring legacies are the scripts she wrote for movies that are considered among the 20th century's very best.