Horszowski Miecislaus
Pianist. Made his radio debut on Feb. 12th, 1941 on N.B.C. network. Played the Scarlatti's Opera, three preludes and Chopin's Mazurka, also the works of a Brazilian composer Mignone.

From: "Who's Who in Polish America" by Rev. Francis Bolek, Editor-in-Chief; Harbinger House, New York, 1943