Carl Gustav Jacob Jacobi was not only a great German mathematician but also considered by many as the most inspiring teacher of his time.
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<a rel="nofollow" class="external free" href="http://www.sil.si.edu/digitalcollections/hst/scientific-identity/explore.htm">http://www.sil.si.edu/digitalcollections/hst/scientific-identity/explore.htm</a> (reworked)