Complex sentence: Marcel Sternberger (born Hungary, 1904-died Christianburg, VA 1956) is best known for his long and celebrated career as a photographer specialising in psychologically revealing portraits of the key figures of his time.
Split into simpler sentences: Marcel Sternberger (born Hungary, 1904-died Christianburg, VA 1956) is best known for his career as a photographer. He specialized in psychologically revealing portraits of the key figures of his time.