Stefan Lech Sokołowski Gozdawa coat of arms ( 25 May 1904 in Warsaw – spring 1940 in Katyń ) was a Polish mathematician , climber and porucznik of artillery in Polish Land Forces . Lwów Eaglet ( 1919 ) . Doctor of mathematical sciences . Victim of Katyn massacre
Katyn massacre
Katyn massacre
Stefan Lech Sokołowski