(March 14, 1879-April 18, 1955)
The German-born scientist, philosopher, and humanitarian best known for his contributions to theoretical physics, including the theory of relativity. Einstein received the 1921 Nobel Prize in Physics before emigrating to the United States where he taught at Princeton University.
Shortly before the arrival of the infant Superman on Earth from the doomed planet Krypton, Albert Einstein receives a recorded communication from Jor-El alerting him to the baby's imminent arrival. Jor-El requests of the fellow man of science that he help to ensure that Kal-El receive a proper upbringing. Einstein makes the trip to Smallville where, with the help of Police Chief Parker, he arranges matters such that Jonathan and Martha Kent will be certain to discover the rocket from Krypton when it arrives (LSOK, 1978).
Einstein is a great hero to Lex Luthor. In 1978, Luthor manages to steal the Einstein Papers, but is unable to read them. Unbeknownst to him, they are written in Kryptonese and are a personal message intended for Superman (LSOK, 1978).
Superboy makes reference to Einstein's theory of time in a discussion with Lex Luthor after experimenting with time travel, noting that "Albert Einstein theorized that time is like a huge unending circle...that the past and future meet and then keep on going around and around" (NSB No. 38, Feb 1983: "The Day That Lasted Forever!").
Over the years, Luthor escapes from prison on each occasion of Einstein's birthday in order to relive a highlight of the genius's life (S No. 416/1, Feb 1986: "The Einstein Connection!").