text: This scientist once created an improved gyrocompass and he created one of the earliest green refrigerators.
full_question: This scientist once created an improved gyrocompass and he created one of the earliest green refrigerators. Max Talmud gave this man a copy of Euclid’s Elements when he was a boy, a book that he called “the holy little geometry book,” and in 1939, he published a paper in which he stated the formation of black holes were impossible, a paper that was never cited in academic literature. He was the first man to propose the concept of a photon, and inspired the idea wave-particle duality, and he debated Bohr in a highly publicized series of debates on quantum physics. His most famous work was accomplished when he worked as a clerk in Bern, Switzerland. For ten points, name this German born Jewish scientist who formulated the theory of relativity.
first_sentence: This scientist once created an improved gyrocompass and he created one of the earliest green refrigerators.