Leonid Aleksandrovich Vesnin (; â 8 October 1933), was a Russian and Soviet architect. The oldest of Vesnin brothers, who were influential in developing Constructivist architecture.
Leonid Aleksandrovich was born on in a merchant family in Nizhny Novgorod. He went to Moscow Practical Academy of Commercial Sciences from 1890 to 1899. In 1900 he got into Imperial Academy of Arts and was a student of Leon Benois until he graduated in 1909.