David Kaiser is Germeshausen Professor of the History of Science and Professor of Physics at MIT. He is the author of several award-winning books on the history of modern physics. Kaiser co-directs a research group on early-universe cosmology with Alan Guth in MIT’s Center for Theoretical Physics, and has also designed and helped to conduct novel experimental tests of quantum theory. A Fellow of the American Physical Society, Kaiser has received MIT’s highest awards for excellence in teaching. His work has been featured in Science, Nature, the New York Times, and the New Yorker magazine. His group’s efforts to conduct a “Cosmic Bell” test of quantum entanglement were featured in a documentary film, “Einstein’s Quantum Riddle,” which premiered on US Public Television stations in 2019.