As a student , his influences included Carl Ludwig and Gustav von Hüfner at Leipzig , and Robert Bunsen at the University of Heidelberg . His influences as a student included Carl Ludwig and Gustav von Hüfner in Leipzig and Robert Bunsen at the University of Heidelberg .
Sebagai seorang pelajar, pengaruh beliau termasuk Carl Ludwig dan Gustav von Hfner di Leipzig, dan Robert Bunsen di Universiti Heidelberg. Pengaruhnya sebagai pelajar termasuk Carl Ludwig dan Gustav von Hfner di Leipzig dan Robert Bunsen di Universiti Heidelberg.