Stefan Sendłak was born in the village of Podtopole near Zamość in 1889. He fought in the 1920 Polish-Bolshevik war, and actively promoted the ideals of protecting the laws of the workmen, farmers, and people in poverty during the time of the Second Polish Republic. He was also a member of the town council in Zamość as a representative of the Polish Socialist Party.
From the very beginning of the German occupation of Poland, Stefan Sendłak was actively engaged in the resistance. He founded the Lublin-Zamość Committee for Helping Jews, that aided 272 people of Jewish origin. Then, he became the head of the local field branch of “Żegota” – the Polish Council to Aid Jews. His helping activities stretched over various areas of occupied Poland, including the labour camp in Lublin’s Lipowa Street. In 1944 he fought in the Warsaw Rising as deputy of the Polish Government regional delegate in District III (Śródmieście-Północ). He was repressed by the communist authorities after we war. Sendłak passed away in 1978. In 2020, he was posthumously awarded the title of the Righteous Among the Nations.