Who’s the most famous, least recognizable person in America?

Amir Blumenfeld invented a game that I’m going to steal:

Who is the most famous person (with some fame in America), living or dead but born after 1900, that the fewest people would recognize face-to-face?

Amir thought of a great answer, and his commenters thought of two better ones. Before you peek, reblog with your best answer.

Here’s an easy one to beat: Garrison Keillor.