In 1986 he became a lecturer in Modern History at Oxford University, and from 1992 to 2011 he worked as professor of Jewish studies and professor of history at University of Wisconsin-Madison.
He became a lecturer in Modern History at Oxford University. This was in 1986. He worked as professor of Jewish studies at University of Wisconsin-Madison. This was from 1992 to 2011. He worked as professor of history at University of Wisconsin-Madison. This was from 1992 to 2011.