Portrait of Professor Medical-Surgical Academy in Moscow, KA Janisch. 1841 Karl Pavlovich Bryullov (1799-1852)

The picture has something of this: people, portrait, leader, elderly, scientist, man, popularity, writer, mustache, poet, jacket, wear, famous, chair.
Perhaps it’s a portrait of a man with white hair wearing a black suit and a red bow tie, sitting in a chair with a green wall behind him.