Prof. Bogusław Kusz, PhD, DSc, head of Criogenics Laboratory of Department of Solid State Physics at Applied Physics and Mathematics Faculty of Gdańsk University of Technology, during an interesting discussion with his PhD student Bartosz Trawiński.
<a href="//commons.wikimedia.org/w/index.php?title=User:Dominik_Bejma&amp;action=edit&amp;redlink=1" class="new" title="User:Dominik Bejma (page does not exist)">Dominik Bejma, Marta Kowalkińska</a>
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<span class="int-own-work" lang="en">Own work</span>