Horst Waldemar Janson, who published as H. W. Janson, was a Russian-American scholar of art history best known for his History of Art, which was first published in 1962 and has sold more than two million copies in fifteen languages.
Horst Woldemar Janson's (art historian, New York University) Apes and Ape-lore is a foundational text in the study of the symbolic significance of apes in medieval and early modern Europe. This text is incredibly detailed and rich with primary sources, presenting an in-depth timeline of the changing perceptions of monkeys, both real and imagined.