History of Science 222 – Technology and Social Change in History 2020 Fall – Williford 2013 Spring – Schatzberg 2012 Spring – Schatzberg 2011 Spring – Schatzberg 2010 Spring – Schatzberg 2009 Spring – Schatzberg 2003 Summer – Schatzberg 2002 Fall – Schatzberg 2002 Spring – Ellison 1999 Spring – Schatzberg