(b) Kirstein was one of the Monument Men, a group of Allied soldiers who protected cultural sites from bombing by the Allied forces and then recovered many stolen art objects from Germany during and immediately after World War II.
(c) Kirstein is the subject of a bronze bust by the noted Japanese American sculptor Isamu Noguchi, displayed in Hartford's Wadsworth Atheneum.
(d) All of the above.
Yes, it is (d). How did you know?