Given name: Stanisław Family name: Koperka

Supervised a group of workers in wood treating plant - Minska Mazowiecki. Brutal and rude. However, he helped Leon when the latter was hiding during the First Action, he brought him dinner. After the war he asked Leon to write a written statement that he helped him. At that time he was the head of the NSZ (National Armed Forces) at Minsk district. Had trouble after the war.