Michael JohnsMichael Johns worked in San Francisco for a year as a bicycle messenger and fell in love with the city. Ten years later he began a professorship at the University of California, Berkeley. He is the author of The City of Mexico in the Age of Díaz> (1997), Moment of Grace: The American City in the 1950s (2003) and The Education of a Radical: An American Revolutionary in Sandinista Nicaragua (2012). He lives in San Francisco. Read More Read Less