About Jan Lechoń
Jan Lechoń, also known as Leszek Józef Serafinowicz, was a Polish poet, literary and theater critic, diplomat, and co-founder of the Skamander literary movement and the Polish Institute of Arts and Sciences of America. Lechoń created the name Skamander for that literary group and delivered the opening speech at the group's first meeting on 6 December 1919. There, he co-edited many Polish newspapers and magazines; in 1942, he co-founded the Polish Institute of Arts and Sciences of America.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.