Zygmunt Wnęk graduated from the State Secondary School in Kołomyja, named "Król Kazimierz Jagiellończyk".

He was awarded the State Certificate in Sport, becoming team leader of the Polish Gymnastics Society "Sokół" in Kołomyja.

Following the occupation of France, Zygmunt Wnęk found himself in the Polish 1st Armored Division formed in February 1942, under General Stanislaw Maczek in Duns, Scotland.

During the Battle for Falaise on 15-August 1944, Zygmunt Wnęk died whilst undertaking action across the river Dives between Jort and Vandeuvre, on the left flank of the Polish First Armoured Division.

He is buried in the Polish War Cemetery Langannerie in Normandy and was posthumously awarded the Virtuti Militari V class (Silver Cross).