Noah about to be baptised. In medieval Christianity, Noah's three sons were generally considered as the founders of the populations of the three known continents, Japheth/Europe, Shem/Asia, and Ham/Africa, although a rarer variation held that they represented the three classes of medieval society – the priests (Shem), the warriors (Japheth), and the peasants (Ham). In medieval Christian thought, Ham was considered to be the ancestor of the people of black Africa. So, in racialist arguments, the curse of Ham became a justification for the slavery of the black races. Isaac Newton, in his religious works on the development of religion, wrote
Yoel Baal Shem Yoel Baal Shem Yoel Baal Shem () was an Orthodox Jewish scholar of Halacha and Kabbalah who lived in Zamość (; Yiddish: Zamoshtsh) during the 17th century. He became renowned as a Baal Shem (lit; Master of [Divine] Names) for performing miracles, commanding demons and authoring Kabalistic amulets. Rabbi Yosef Yitzchak Schneersohn (1880–1950) writes in his memoirs Yoel married before the age of 20 and started learning Kabbalah. Upon a dream, Yisrael Yosef sent his son Yoel to Prague to learn kabbalah from Rabbi Eliyahu Baal Shem. Yoel became one of the closest students of Rabbi Eliyahu Baal Shem who