Ernest Radlov
Ernest Leopoldovich Radlov or Ernst Radlow was a Russian neo-Kantian philosopher and historian of philosophy of German origin. Co-founder of the St. Petersburg Philosophical Society, director of the Public Library in Petrograd.
He was also a friend and editor of Vladimir [Solovyov (philosopher)|Vladimir Solovyov].
Radlov introduced Thomas Masaryk to Russian philosophy in conversations over the summer of 1882.