[Alexey Alexeevich Maklakov (19.09.1872-21.03.1918)].

This article commemorates the 150th anniversary of the birth of prominent early 20th-century Russian ophthalmologist Professor Alexey Alekseevich Maklakov of Moscow University and aims to explore his biography, which remains relatively obscure. His scientific, pedagogical, and public activities have not been subjected to comprehensive analysis until now. The study clarifies key dates in his life through examination of archival documents. The biography is further supplemented with new facts concerning his work at the medical faculty of Moscow University.