General Relativity

Leonard Susskind is the Felix Bloch professor of Theoretical Physics at Stanford University. He is a member of the National Academy of Sciences and a recipient of the Dirac Medal, the Galileo Medal, and the Carl Sagan Prize for Science Popularization, among numerous other honors. He is the author of the New York Times-bestselling The Theoretical Minimum series. He lives in Palo Alto, California.    
 
André Cabannes holds a PhD in statistics from Stanford University. He works in management consultancy and entrepreneurship and was the translator of The Theoretical Minimum series into French. He lives in France.