LIST OF ILLUSTRATIONS xxiii 33. Einstein and Marcel Grossmann in the garden of the Grossmann home in Thalwil, 28 May 1899. (Courtesy E. Grossmann) 34. Maria (Maja) Einstein, ca. 1897. 35. Helene and Milovoj Savic, at about the time of their marriage in November 1900. (Courtesy M. Popovic) 36. Alfred Kleiner, Professor of Physics at the University of Zurich. (Courtesy Physikalische Gesellschaft, Zurich) 37. Burgfulachli, in Schaffhausen, where Einstein roomed in late 1901. 38. Facsimile of page of Einstein's notes on Weber's lectures (see Doc. 37, p. 142, note 125).