Early Life, Family and Training Jan Rosen was born on 16 October 1854 in Warsaw, Poland. He came into a wealthy Jewish family that had converted to Calvinism, though his personal path eventually led him to become a Lutheran. Even as a young boy, it was clear that he possessed a natural affinity for the pencil and charcoal. He displayed an early talent for drawing, a skill that would eventually define his life's work. His formal path into the arts began under the guidance of Franciszek Kostrzewski, who provided his first lessons. This early instruction helped shape the hand of a boy who woul…