My advisor and dissertation supervisor was George E. Andrews, Ph.D. University of Pennsylvania, 1964.
Andrews was a student of Hans Rademacher, Ph.D. Universität Göttingen, 1916.
Rademacher was a student of Constantin Carathéodory, Ph.D. Universität Göttingen, 1904.
Carathéodory was a student of Hermann Minkowski, Ph.D. Universität Königsberg, 1885.
Minkowski was a student of C. L. Ferdinand von Lindemann, Ph.D.  Universität Erlangen 1873.
Lindemann was a student of C. Felix Klein, Ph.D.  Universität Bonn 1868.
Klein was a student of Julius Plücker, Ph.D. Universität Marburg 1823.

My co-advisor at the University of Kentucky was Avinash Sathaye, Ph.D. Purdue, 1973.
Sathaye was a student of Shreeram Abhyankar, Ph.D. Harvard 1956.
Abhyankar was a student of Oscar Zariski, Ph.D. University of Rome 1925.
Zariski was a student of Guido Castelnuovo, Ph.D. University of Padua 1886.
Castelnuovo was a student of Giuseppe Veronese, Ph.D. University of Rome 1877.
Veronese was a student of Luigi Cremona, University of Pavia, 1853.
Cremona was a student of Francesco Brioschi, University of Pavia, 1845.
Brioschi was a student of Antonio Bordoni.