The article is devoted to the 150th anniversary of the outstanding scientist of the XX century A. A. Krogius (1871–1933), who was at the origin of Russian experimental psychology and pedology in the early 1900s, the founder of Russian typhlopsychology. Krogius was a European-famous psychologist and worked for 12 years (1919–1931) at the Saratov University, becoming the first professor of psychology in Saratov.
