 A prolific architect, Mashkov built mostly eclectic buildings with Russian Revival features.Ivan Mikhailovich Sokolov (Иван Михайлович Евдокимов), son of a village blacksmith, lost both his parents in early childhood.He was adopted by Pavel Karpovich Mashkov, a Lipetsk businessman, and his wife, Natalya Yefimovna (née Andreyeva), thus acquiring the name of Mashkov.