<bdi><a href="https://en.wikipedia.org/wiki/en:Caspar_David_Friedrich" class="extiw" title="w:en:Caspar David Friedrich"><span title="German painter">Caspar David Friedrich</span></a>
</bdi>
Probably 1811
<a rel="nofollow" class="external text" href="http://www.nationalgallery.org.uk/paintings/caspar-david-friedrich-winter-landscape/">National Gallery, London</a>