Robert Fludd (1574-1637) was an English physician, astrologer, mathematician, and mystic. His opus magnum, Utriusque cosmi maioris scilicet et minoris metaphysica, physica atqve technica historia, was published in two volumes between 1617 and 1624. The encyclopedic book covers different subjects such as optics, music, perspective drawing, engineering, as well as Rosicrucianist themes, theosophy and the Qabalah. Read more about Robert Fludd’s philosophy and imagery of the Microcosm, Macrocosm and The Divine on The Public Domain Review.
The images above were provided by the Deutsche Fotothek for Wikimedia Commons and are licensed as CC BY-SA 3.0 as stated here (in German). The book is also available at Archive.org (provided by The Getty Research Institute).