Caspar David Friedrich, b. Sept. 5, 1774, d. May 7, 1840, Solitary Tree 1821; Oil on canvas, 55 x 71 cm; National Gallery, Berlin
Caspar David Friedrich, b. Sept. 5, 1774, d. May 7, 1840, Solitary Tree 1821; Oil on canvas, 55 x 71 cm; National Gallery, Berlin