Asimov is so, so difficult to read through now that I'm older, as the female characters are just... ouch.
Case in point: Noys Lambent in The End of Eternity. She was added by editor mandate, and she's hollow: a kept woman who's secretly a perfid ally of an opposing faction. The hero is somewhat redeemed by his understanding that the rebel cause is just, but she's pure cardboard and eye candy. 13 y.o. me loved her. Years later... She's cringeworthy.
The sandwich bit is nonsense, given that it owes his name to the Earl of Sandwich AFAIK.