Gay Block (born 1942) began photographing her own affluent Jewish community in Houston in 1973. She expanded this study to include Jewish senior citizens in south Miami Beach, focusing with affection on the "bubbies" or grandmothers that (she attests) she wished she herself had had as a child. Later, Block's landmark work, Rescuers: Portraits of Moral Courage in the Holocaust, made in collaboration with writer Malka Drucker, explored the lives...