““discrimination had to be justified by “scientific” evidence showing that human nature differs according to age, gender, and “race.” Until the 1700s, the word race was widely used to refer to a people, a tribe, or a nation. By the end of the century, however, it described a distinct group of human beings with inherited physical traits and moral qualities that set them apart from other “races.” The beginnings of that notion can also be detected in Mendelssohn’s story. MENDELSSOHN AND THE ENLIGHTENMENT””