" So you aren't an engineer. You're merely a man who knows engineering." "What about yourself? You didn't stick with it." "No," she admitted, "but my reasons were different. I saw three big, hairy, male men promoted over my head and not one of them could do a partial integration without a pencil. Presently I figured out that the Atomic Energy Commission had a bias on the subject of women no matter what the civil service rules said. So I took a job dealing blackjack. Luna City didn't offer much choice in those days—and I had you to support. "

― Robert A. Heinlein , The Rolling Stones