Charlie Chaplin and Albert Einstein
Charlie Chaplin attended the premiere of his film City Lights in LA alongside Albert Einstein in 1931. Chaplin and Einstein were good friends who were introduced by the head of Universal Studios, Carl Laemmle. Apparently, both men were envious of each other's fame but were still close pals.
Lawrence of Arabia
Colonel Thomas Edward Lawrence served as a British ambassador and demolition expert in the Middle East during World War I. He worked with Arab rebel allies to fight against the Ottoman Empire. He did a huge amount of damage, much of which has never been rebuilt.