[MIECZYSŁAW BIERNACKI - DOCTOR, FREEMASON, SOCIAL ACTIVIST [ARTICLE IN POLISH]].

The article presents the life and work of dr. Mieczysław Biernacki, a Polish doctor of medicine, freemason, social, economic and political activist unknown to the younger generation of Polish doctors, who was born in 1862, Throughout his life, he actively worked to raise the level of education and health of Lublin's inhabitants. He held managerial positions in numerous associations, economic institutions, local government and political organizations. Above all, he was a doctor who effectively fought against infectious diseases, venereal diseases and tuberculosis. As an editor and publicist, he took the floor by writing on medical, economic and literary subjects. He died in 1948, at the age of eighty-eight.