Sergei Nikolaevich Trubetskoy

Prince Sergei Nikolaevich Trubetskoy (Russian: Серге́й Никола́евич Трубецко́й; 4 August [O. S. 23 June] 1862 – 23 September 1905) was a Russian religious philosopher.^{[citation needed]} He was the son of Prince Nikolai Petrovitch Trubetskoy, co-founder of the Moscow Conservatory, and Sophia Alekseievna Lopouchina, who was a big influence on his religious thought. Trubetskoy and his brother, Evgenii Nikolaevitch Troubetzkoy (1863–1920), continued Vladimir Solovyov's work on developing a modern Christian philosophy of the world.^{[citation needed]} He was also a professor of philosophy at Moscow University and a founding member of the underground discussion circle Beseda.^[1]