Answer: Albert Einstein

If you gaze upon Yoda, the sage old Jedi Master of Star Wars fame and have a sense you’ve seen that old wise face somewhere else before, you’re not imagining things. When famed makeup artists Stuart Freeborn sat down to build Yoda he used his own face as the base of the mask but stylized Yoda based off the face of Albert Einstein–Freeborn would later explain in interviews that the thing about Einstein that most influenced the design of Yoda’s face was Einstein’s sad and thoughtful eyes.