Alfred Stieglitz, a innovative photographer, collector of modern art, and husband of Georgia O'Keeffe, perished leaving behind an estate included approximately 900 works of art and a will and testament that stated Georgia O'Keeffe, and this appeal examined respective rights of three parties concerning charitable gifts of 101 pieces of art given, subject to conditions, to Fisk University in the late 1940s and early 1950s