Replay: The Expedition that Tested Einstein's Theory

Daniel Kennefick talks about resistance to relativity theory in the early twentieth century and the huge challenges that faced British astronomers who wanted to test the theory during the solar eclipse of 1919. Kennefick is an associate professor of physics at the University of Arkansas, Fayetteville. He’s the author of No Shadow of Doubt: the 1919 Eclipse that Confirmed Einstein’s Theory of Relativity.