Ivan Aivazovsky.

Oil painting reproduction: Ivan Aivazovsky After The Storm Moonrise 1894

Rene Magritte.

‘Le Chef d’oeuvre ou Les Mysteres de l’horizon’ René Margritte

Pablo Picasso.

Pablo Picasso - Portrait of Ambroise Vollard, Oil on canvas; Pushkin State Museum of Fine Arts (Moscow). The famous Vollard was his art dealer.

M C Escher.

Maurits Cornelis Escher was a Dutch graphic artist who made mathematically inspired woodcuts, lithographs, and mezzotints.

Edvard Munch.

Edvard Munch - Clair de lune Wow, I'd never seen this painting before!