Sexual intermediacy
At the Institut für Sexualwissenschaft, Magnus Hirschfeld championed the doctrine of sexual intermediacy. This proposed form of classification said that every human trait existed on a scale from masculine to feminine. Masculine traits were characterized as dominant and active while feminine traits
Andreas Vesalius (1514 – 1564) was a 16th-century anatomist, physician, and author who is often referred to as the founder of modern human anatomy
Andreas Vesalius (Latinized from Andries van Wezel) (31 December 1514 – 15 October 1564) was a 16th-century anatomist, physician, and author of one of the most influential books on human anatomy, De Humani Corporis Fabrica Libri Septem (On the fabric of the human body