Heinrich Burkhardt
Heinrich Friedrich Karl Ludwig Burkhardt was a German mathematician. He famously was one of the examiners of Albert Einsteins PhD thesis. Of Einsteins thesis he stated The mode of treatment demonstrates fundamental mastery of the relevant mathematical methods and What I checked, I found to be correct without exception.
Burkhardt was born in Schweinfurt. Starting from 1879 he studied under Karl Weierstrass, Alexander von Brill, and Hermann Amandus Schwarz in Munich , Berlin and Gttingen. He attained a doctorate in 1886 in Munich under Gustav Conrad Bauer with a thesis entitled Beziehungen zwischen der Invariantentheorie und der Theorie algebraischer Integrale und ihrer Umkehrungen .
Source: Wikipedia