Johann Grasshoff (or Grasshof, Grasse)[1][2][3] (c.1560 – 1623) was a Pomeranian jurist, and alchemical writer.
He is recorded also as a medical advisor to Ernest of Bavaria, a Syndic, and an Episcopal counselor.
His writings include the Aperta Arca arcani artificiosissimi (1617).
[4] and a Cabala Chymica (1658).
[5] The compilation of the 1625 Dyas chymica tripartita is also attributed to him;[6] it includes The Golden Age Restored[7] of Henricus Madathanus, The Book of Lambspring,[8] of Nicolas Barnaud, and the Book of Alze.