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** <span id="JFrischauf"></span>[http://de.wikipedia.org/wiki/Johannes_von_Frischauf Johannes Frischauf (1837 - 1924)] [https://genealogy.math.ndsu.nodak.edu/id.php?id=27258 ¶] ([https://en.wikipedia.org/wiki/University_of_Vienna University of Vienna], [https://en.wikipedia.org/wiki/Graz_University_of_Technology TU Graz]) « <span style="background-color: #ccccff;">[[#FXMoth|Franz Xaver Moth]]</span>

*** <span id="Escherich"></span>[https://en.wikipedia.org/wiki/Gustav_von_Escherich Gustav Ritter von Escherich (1849 - 1935)] [https://genealogy.math.ndsu.nodak.edu/id.php?id=27259 ¶] ([https://en.wikipedia.org/wiki/Graz_University_of_Technology TU Graz], [https://en.wikipedia.org/wiki/University_of_Vienna University of Vienna])

**** <span id="JRadon"></span>[https://en.wikipedia.org/wiki/Johann_Radon Johann Radon (1887 - 1956)] [https://genealogy.math.ndsu.nodak.edu/id.php?id=23830 ¶] ([https://en.wikipedia.org/wiki/University_of_Vienna University of Vienna])

***** <span style="background-color: #ccffcc;">[[#Knoedel|Walter Knödel]]</span>