Dr. Szymon Kozlowski (simkoz) - assistant professor of astrophysics at Warsaw University Observatory, Poland.
Founding member of the Polish Meteoritical Society, used to member of IMCA #2901.
A fair fraction of my collection is presented in a hall of Planetarium Wenus (http://planetariumwenus.pl/) which is a part of the Kepler Science Center in Zielona Gora, Poland