Jonathan started following the work of William Foley, Davidson College, Undecided. 2012-05-04 10:21:12 -0700

Jonathan started following the work of Adam Sabra, The University of Georgia, History. 2011-09-13 11:25:26 -0700

Jonathan started following the work of Sonja Brentjes, Max Planck Institute for the History of Science, 1. 2011-06-01 07:02:15 -0700