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.

This article discusses the life and activities of a Polish Army general, a doctor, diplomat and freemason, such as Boleslaw Wieniawa Dlugoszowski. After Poland regained independence, he became the personal adjutant of Marshal Jozef Pilsudski. After the outbreak of World War II, President Ignacy Moscicki appointed him as his successor, in case the office was vacated before peace was made. He is one of the most colourful figures in interwar Poland. He was known for his predilection for beautiful women, fast horses and loud fun. On the one hand, such a view of life caused unusual affection among some and undisguised aversion among others, especially among opponents of his political camp. He was also a writer, wrote poems, painted and maintained constant contact with the artistic community. For several years he was Poland’s ambassador to Rome, he was friends with many outstanding people not only in Poland, but also in the whole of Europe. After settling in the United States, he lived in New York. He was also a journalist and editor-in-chief of “Dziennik Polski” in Detroit. He died tragically in 1942, a few days before taking over the diplomatic post in Havana. He was remembered by his posterity as the author of many popular sayings, later widely quoted throughout the country.

This article presents the life and work of Professor Mieczysław Konopacki, a Polish physician, freemason, social and political activist. Mieczysław Konopacki was born in 1880 in Wieluń, a town with almost 800 years of history. After passing his secondary school-leaving examinations in 1899, he began his studies at the University of Warsaw. Thanks to his diligence and commitment to research, in 1903, he received the degree of candidate of all-natural sciences at the Imperial Warsaw University. In the same year, he was arrested by the Russian authorities for his involvement in developing education in the Polish countryside and forced to move to Cracow, where he began his studies at the Faculty of Medicine of the Jagiellonian University. In 1907, he married and moved to Lviv with his wife, who was also an embryologist. There, the couple began working at the Histology Department. Also, there, in 1911, Mieczysław Konopacki obtained his doctor’s degree in medicine. He was an extremely hard-working and broad-minded man. He was a member of many associations and international scholar organizations. He took an active part in many congresses and symposia. In independent Poland, Professor Konopacki was involved in the organization of science. He tried to compensate for the many years of neglect caused by the policy of the partitioners. In 1933 Professor Konopacki was elected Vice President of the Warsaw Branch of the Young Men’s Christian Association. Complementing the social activity of Professor Konopacki was his activity in the Grand National Lodge of Poland. He died in Warsaw on September 25, 1939, fatally struck by shrapnel from a German bullet.