0. Bernd HAMANN (born 1963, Ph.D. 1991, Arizona State University)
was advised by Gregory Morris Nielson.
1. Gregory Morris NIELSON (born 1943, Ph.D. 1970, University of Utah)
was advised by Robert Ellis Barnhill.
2. Robert Ellis BARNHILL (born 1939, Ph.D. 1964, University of Wisconsin, Madison)
was advised by Preston Clarence Hammer.
3. Preston Clarence HAMMER (1913-1986, Ph.D. 1939, The Ohio State University)
was advised by Tibor Rado.
4. Tibor RADO (1895-1965, Ph.D. 1922, University of Szeged)
was advised by Lipot (Leopold) Fejer
and Frigyes (Friedrich) Riesz.
5.1. Lipot (Leopold) FEJER (1880-1959, Ph.D. 1902, Eoetvoes Lorand University)
was advised by Hermann Amandus Schwarz.
5.2 Frigyes (Friedrich) RIESZ (1880-1956, Ph.D. 1902, Eoetvoes Lorand University)
was advised by Gyula Valyi.
6.1 Hermann Amandus SCHWARZ (1843-1921, Ph.D. 1864, University of Berlin)
was advised by Ernst Eduard Kummer
and Karl Theodor Wilhelm Weierstrass.
6.2. The advisor of Gyula VALYI (1855-1913, Ph.D. 1880, University of Kolozsvar)
is unknown.
7.1. Ernst Eduard KUMMER (1810-1893, Ph.D. 1831, Martin-Luther-University Halle-Wittenberg)
was advised by Heinrich Ferdinand Scherk.
7.2. Karl Theodor Wilhelm WEIERSTRASS (1815-1897, Ph.D. [honoris causa] 1854, University of Koenigsberg)
was advised by Christoph Gudermann.
8.1. Heinrich Ferdinand SCHERK (1798-1885, Ph.D. 1823, University of Berlin)
was advised by Friedrich Wilhelm Bessel
and Heinrich Wilhelm Brandes.
8.2. Christoph GUDERMANN (1798-1852, Ph.D. 1841, Georg-August-University Goettingen)
was advised by Carl Friedrich Gauss.
9.1. Friedrich Wilhelm BESSEL (1784-1846, Ph.D. 1810, Georg-August-University Goettingen)
was advised by Carl Friedrich Gauss.
9.2. Heinrich Wilhelm BRANDES (1777-1834, Ph.D. 1800, Georg-August-University Goettingen)
was advised by Abraham Gotthelf Kaestner
and Georg Christoph Lichtenberg.
10.1. Carl Friedrich GAUSS (1777-1855, Ph.D. 1799, University of Helmstedt)
was advised by Johann Friedrich Pfaff.
10.2. Georg Christoph LICHTENBERG (1742-1799, Ph.D. 1765, Georg-August-University Goettingen)
was advised by Abraham Gotthelf Kaestner.
11. Johann Friedrich PFAFF (1765-1825, Ph.D. 1786, Georg-August-University Goettingen)
was advised by and Johann Elert Bode
and Abraham Gotthelf Kaestner.
12.1 Johann Elert BODE (1747-1826, Ph.D. 1774(?), Hamburg Academic Gymnasium
(Handelsakademie Hamburg))
was advised by Johann Georg Buesch.
12.2 Abraham Gotthelf KAESTNER (1719-1800, Ph.D. 1739, University of Leipzig)
was advised by Christian August Hausen.
13.1 Johann Georg BUESCH (1728-1800, Ph.D. 1745, Eberhard-Karls-University Tuebingen)
was advised by Christian Eberhard Weismann.
13.2 Christian August HAUSEN (1693-1743, Ph.D. 1713, Martin-Luther-University Halle-Wittenberg)
was advised by Johann Andreas Planer
and Johann Christoph Wichmannshausen.
14.1 Christian Eberhard WEISMANN (1677-1747, Ph.D. 1696, 1700, Eberhard-Karls-University Tuebingen)
was advised by Michael Foertsch
and Christoph Reuchlin.
14.2 Johann Andreas PLANER (????-1714, Ph.D. 1686, 1709, Martin-Luther-University Halle-Wittenberg and Eberhard-Karls-University Tuebingen)
was advised by Rudolf Jakob Camerarius
and Johann Pasch.
14.3 Johann Christoph WICHMANNSHAUSEN (1663-1727, Ph.D. 1685, University of Leipzig)
was advised by Otto Mencke.
15.1 Michael FOERTSCH (1654-1724, Ph.D. 1682, Justus-Liebig-University Giessen)
was advised by Kilian Rudrauf.
15.2 The advisor of Christoph REUCHLIN (????-????, Ph.D. 1681, Martin-Luther-University Halle-Wittenberg)
is unknown.
15.3 Rudolf Jakob CAMERARIUS (1665-1721, Ph.D. 1684, 1686, Eberhard-Karls-University Tuebingen)
was advised by Elias Rudolph Camerarius, Sr.
and Georg Balthasar Metzger.
15.4 The advisor of Otto MENCKE (1644-1707, Ph.D. 1665, 1666, University of Leipzig) is unknown.
16 Elias Rudolph CAMERARIUS, SR. (1641-1695, Ph.D. 1663, Eberhard-Karls-University Tuebingen)
was advised by Georg Balthasar Metzger.
17.1 Georg Balthasar METZGER (1623-1687, Ph.D. 1644, 1650, Friedrich-Schiller-University Jena, University of Basel)
was advised by Johann Georg Macasius
and Emmanuel Stupanus.
17.2 Johann PASCH (????-????, Ph.D. 1683, Martin-Luther-University Halle-Wittenberg)
was advised by Michael Walther, Jr..
18.1 Johann Georg MACASIUS (1617-1653, Ph.D. 1638, 1640, Friedrich-Schiller-University Jena)
was advised by Johannes Musaeus
and Balthasar Widmarcter.
18.2 Emmanuel STUPANUS (1587-1664, Ph.D. 1613, University of Basel)
was advised by Petrus Ryff.
18.3 Michael WALTHER, JR. (1688-1746, Ph.D. 1661, 1687, Martin-Luther-University Halle-Wittenberg)
was advised by Johann Andreas Quenstedt
and Aegidius Strauch.
19.1 Johannes MUSAEUS (1613-1681, Ph.D. 1634, University of Erfurt)
was advised by Georg Grosshain.
19.2 Balthasar WIDMARCTER (????-????, Ph.D. 1640, Friedrich-Schiller-University Jena)
was advised by Werner Rolfinck.
19.3 Petrus RYFF (1552-1629, Ph.D. 1584, University of Basel)
was advised by Theodor Zwinger.
19.4 Johann Andreas QUENSTEDT (1617-1688, Ph.D. 1643, 1644, University of Helmstedt, Martin-Luther-University Halle-Wittenberg)
was advised by Georg Calixt
and Christoph Notnagel.
19.5 Aegidius STRAUCH (1632-1682, Ph.D. 1651, 1657, Martin-Luther-University Halle-Wittenberg)
was advised by Abraham Klein (Calovius)
and Andreas Kunad.
Eventually, one reaches Georgios Gemistos PLETHON (1355-1452, Ph.D.(?) 1380, 1393, Constantinople, Edirne, Bursa),
see genealogy of Richard Douglas Chatham at http://www.genealogy.ams.org/posters/chatham.pdf.