Jimena Canales is a writer and faculty member of the Graduate College at the University of Illinois, Urbana-Champaign. She was the Thomas M. Siebel Chair in the History of Science at the University of Illinois and associate professor at Harvard University. She is the author of The Physicist and the Philosopher: Einstein, Bergson, and the Debate That Changed Our Understanding of Time (Princeton) and A Tenth of a Second. She lives in Boston. Twitter @_Jimena_Canales