Mikhail Auguston
Ph.D. Glushkov Institute of Cybernetics, Kiev 1983
Dissertation: Programming and Verification of Sequential Files Processing Programs

Janis Barzdins
Dr. habil. sc. comp., Institute of Mathematics, Siberian Branch of the USSR Academy of Sciences, Novosibirsk 1965
Dissertation: Universality Problems in the Theory of Growing Automata

Boris A. Trakhtenbrot
Ph.D. Mathematical Institute of the Ukranian Academy of Sciences, Kiev 1950
Dissertation: Decidability problems for finite classes and definitions of finite sets.

Petr Sergeyevich Novikov
Ph.D. Steklov Institute of the USSR Academy of Sciences 1935

Nikolai Nikolayevich Luzin
Ph.D. Moscow State University 1915
Dissertation: The Integral and Trigonometric Series

Dimitri Fedorowitsch Egorov
Ph.D. Moscow State University 1901

Nicolai Bugaev
Ph.D. Moscow State University 1866
Dissertation: Number Identities Connected with Properties of the Symbol E

Ernst Eduard Kummer
Ph.D. Martin-Luther-Universität Halle-Wittenberg 1831
Dissertation: De cosinuum et sinuum potestatibus secundum cosinus et sinus arcuum multiplicium evolvendis

Heinrich Ferdinand Scherk
Ph.D. Universität Berlin 1823
Dissertation: De evolvenda functione ... disquisitiones nonnullae analyticae

Friedrich Wilhelm Bessel
Ph.D. Georg-August-Universität Göttingen 1810

Carl Friedrich Gauß
Ph.D. Universität Helmstedt 1799
Dissertation: Demonstratio nova theorematis omnem functionem algebraicam rationalem integram unius variabilis in factores reales primi vel secundi gradus resolvi posse

Johann Friedrich Pfaff
Dr. phil. Georg-August-Universität Göttingen 1786
Dissertation: Commentatio de ortibus et occasibus siderum apud auctores classicos commemoratis

Abraham Gotthelf Kästner
Ph.D. Universität Leipzig 1739
Dissertation: Theoria radicum in aequationibus

Christian August Hausen
Dr. phil. Martin-Luther-Universität Halle-Wittenberg 1713
Dissertation: De corpore scissuris figurisque non cruetando ductu

Johann Christoph Wichmannshausen
Ph.D. Universität Leipzig 1685
Dissertation: Disputationem Moralem De Divortiis Secundum Jus Naturae

Otto Mencke
Ph.D. Universität Leipzig 1666
Dissertation: Ex Theologia naturali -- De Absoluta Dei SimplicitateMicropolitiam, id est Rempublicam In Microcosmo Conspicuam

Much of this data was derived from the Mathematics Genealogy Project.