Photograph of Polish composer <a href="https://en.wikipedia.org/wiki/Witold_Lutos%C5%82awski" class="extiw" title="en:Witold Lutosławski">en:Witold Lutosławski</a> beside the piano at his home, courtesy of W. Pniewski and L. Kowalski (see <a rel="nofollow" class="external text" href="http://wlodek.future-net.pl">source page</a>).
The original uploader was <a href="https://en.wikipedia.org/wiki/User:Karol_Langner" class="extiw" title="wikipedia:User:Karol Langner">Karol Langner</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>.
Attribution
<a href="//commons.wikimedia.org/wiki/File:Lutoslawski3.jpg" title="File:Lutoslawski3.jpg">File:Lutoslawski3.jpg</a>