Doctor Fludd’s Latin: "D. Fludi." Referring to Robert Fludd (1574–1637), an influential English physician and Rosicrucian apologist known for his elaborate encyclopedic works on the relationship between humanity and the universe.

ANATOMY. In Fludd's era, "Anatomy" referred to more than just the physical dissection of the body; it was an investigation into the hidden structures of nature and the soul.