Karl Marx, Friedrich Engels und Wladimir Iljitsch Lenin
<a href="//commons.wikimedia.org/wiki/User:Mr._Schnellerkl%C3%A4rt" title="User:Mr. Schnellerklärt">Mr. Schnellerklärt</a>
CC BY-SA 4.0
<a href="//commons.wikimedia.org/w/index.php?title=File:Marx-Engels-Lenin.png&amp;action=edit&amp;redlink=1" class="new" title="File:Marx-Engels-Lenin.png (page does not exist)">File:Marx-Engels-Lenin.png</a>