**Ze'ev Rosenkranz *is senior editor and assistant director of the Einstein Papers Project at the California Institute of Technology. Previously, he was the Bern Dibner Curator of the Albert Einstein Archives at the Hebrew University of Jerusalem. His books include The Travel Diaries of Albert Einst...

**Ze'ev Rosenkranz *is senior editor and assistant director of the Einstein Papers Project at the California Institute of Technology. Previously, he was the Bern Dibner Curator of the Albert Einstein Archives at the Hebrew University of Jerusalem. His books include The Travel Diaries of Albert Einstein: The Far East, Palestine, and Spain, 1922-1923 * (Princeton). He lives in Pasadena, California.