Jean Michel Prosper Guérin
Jean Michel Prosper Guérin (1838 - after 1912) was a 19th-century French painter. He studied in the Académie des Beaux-Arts where he was a pupil of painters like Flandrin. His son, Charles-François-Prosper Guérin (1875–1939) was also a painter.
These three pictures are property of French government:
L'agar
Sainte Cécile mourante entend un concert céleste
La Pietà
...
Wikipedia