Great Painters -With God's signature on thier Heart - Humanity salute you

Painting

Nesterov, Mikhail (Russian, 1862-1942)
Nikitin, Ivan (Russian, 1680s-1742)

O
Orlowski, Alexander (Polish, 1777-1832)
Ostade, Adriaen van (Dutch, 1610-1685)
Ostade, Isaack van (Dutch, 1621-1649)
Ostroumova-Lebedeva, Anna (Russian, 1871-1955)
Ostrovsky, Grigory (Russian, XVIII century)