Warszawski architekt Michał Borowski.
The original uploader was <a href="https://en.wikipedia.org/wiki/pl:User:Kimodin" class="extiw" title="w:pl:User:Kimodin">Kimodin</a> at <a href="https://en.wikipedia.org/wiki/pl:" class="extiw" title="w:pl:">Polish Wikipedia</a>.
GFDL 1.2
cropped from: <a class="external free" href="https://commons.wikimedia.org/wiki/File:Lech_Kaczynski_i_Michal_Borowski.jpg">https://commons.wikimedia.org/wiki/File:Lech_Kaczynski_i_Michal_Borowski.jpg</a>