Hans Gooskens - Dutch Artist
born 1951 in The Netherlands, Died in 2009. Well known in Italy, France, Belgium and Holland.
We assume that this is a painting by the famous historian Georges Duby (1919-1996). We Think the sitter is possibly the actor Franck Villard. It Is signed ‘Georges Duby 1935’ (although the third digit is unclear and could be 4 - ie. 1945). More research needs to be done.