Sergey L. Rubinshtein Rubinstein was born in Odessa on June 6, 1889 in a lawyer's family. His higher philosophical-psychological education he got in Germany - at Marburg, Freiburg and Berlin universities. His first philosophy teachers were G. Kogen and P. Natorp. In 1913 they were the reviewers at his defense of a dissertation for the degree of Ph.D. in Marburg. In 1914 part of this dissertation was published in German in Marburg. On his return to Odessa in 1914 Rubinstein was a lecturer in philosophy, psychology and logic in gymnasiums (he couldn't teach in Russian universities as according to the rules of Russian empire a foreign certificate of higher education was juridical invalid within the country; this rule was abolished after October revolution 1917). After the revolution he was engaged in scientific and teaching activity at Novorossiysk (Odessa) university. In August of 1921 he was elected as a professor of the chair of psychology at the same university. At this post he took the place of one of the greatest pre revolutionary psychologist of Russia N.N.Lange who had died before it. In Odessa he also worked as a director of Scientific library.