Origins: I'm still guessing about this one, but it's a cute story nonetheless:
Nick wanted his visiting genius to be treated with respect, but he was mindful that certain members of his own gambling circle might not be thoroughly conversant with the world of science. Hence, he introduced Einstein as "Little Al from
It is recorded that Einstein, though much amused, managed to keep a straight face.
Last updated: 1 January 2005
A World of Luck.   Library of Curious and Unusual Facts. Virginia: Time-Life Books, 1991. ISBN 0-8094-7711-4 (p. 29).