From the Mathematics Genealogy Project:

Peter Rohde (University of Queensland, 2008) was a student of
Tim Ralph (Australian National University, 1996) who was a student of
Craig Savage (University of Waikato) who was a student of
Dan Walls (Harvard University, 1969) who was a student of
Roy Glauber (Harvard University, 1949) who was a student of
Julian Seymour Schwinger (Columbia University, 1939) who was a student of
Isidor Isaac Rabi (Columbia University, 1927) who was a student of
Albert Potter Wills (Clark University, 1897) who was a student of
Arthur Gordon Webster (Universität Berlin, 1890) who was a student of
Hermann Ludwig Ferdinand von Helmholtz (Universität Berlin, 1842) who was a student of
Johannes Peter Müller (Rheinische Friedrich-Wilhelms-Universität Bonn, 1822) who was a student of
Karl Asmund Rudolphi (Ernst-Moritz-Arndt-Universität Greifswald, 1795) who was a student of
Christian Ehrenfried von Weigel (Georg-August-Universität Göttingen, 1771) who was a student of
Johann Christian Polykarp Erxleben (Georg-August-Universität Göttingen, 1767) who was a student of
Abraham Gotthelf Kästner (Universität Leipzig, 1739) who was a student of
Christian August Hausen (Martin-Luther-Universität Halle-Wittenberg, 1713) who was a student of
Johann Andreas Planer (Eberhard-Karls-Universität Tübingen, 1709) who was a student of
Johann Pasch (Martin-Luther-Universität Halle-Wittenberg, 1683) who was a student of
Michael Walther, Jr. (Martin-Luther-Universität Halle-Wittenberg, 1661) who was a student of
Johann Andreas Quenstedt (Martin-Luther-Universität Halle-Wittenberg, 1644) who was a student of
Christoph Notnagel (Martin-Luther-Universität Halle-Wittenberg, 1630) who was a student of
Ambrosius Rhodius (Martin-Luther-Universität Halle-Wittenberg, 1610) who was a student of
Melchior Jöstel (Martin-Luther-Universität Halle-Wittenberg, 1600) who was a student of
Valentin (Valentinus Otho) Otto (Martin-Luther-Universität Halle-Wittenberg, 1570) who was a student of
Georg Joachim von Leuchen Rheticus (Martin-Luther-Universität Halle-Wittenberg, 1535) who was a student of
Nicolaus Copernicus (Uniwersytet Jagielloński, 1499)