Ligin Valerian Nikolaevich

(1846 - 1900). He graduated from the course at the Novorossiysk University. In 1872, Mr.. Ligin defended his master's thesis: "Geometric theory of absolute motion of the system unchanged" in 1874,. - Doctor: "Generalization of some properties of motion systems". Consisted Novorossiysk University Professor. In 1895, Mr.. he was elected mayor of Odessa and later was a trustee of the Warsaw school district. Many students Ligina consisted of professors. Printed a number of articles on the kinematics in the "Matematicheskii Sbornik", "Nouvelles Annales des Mathematiques" and "Bulletin des Sciences Mathematiques".