Moisei Yakovlevich Ginzburg (1892-1946) the son of an architect, was born in Minsk in 1892. He studied architecture in Milan and Moscow, and in 1925 founded the OSA Group. After falling from official favour in the 1930s, he moved his practice to the Crimea, designing a number of resort hotels and sanatoriums there, before his death in 1946.