"Sol et ejus umbra perficiunt opus." (The sun and its shadow complete the work), Emblem 45 from "Atalanta fugiens" by Michael Maier (1568-1622). Maier was a German physician and counselor to Rudolf II Habsburg, and an alchemist, epigramist, and amateur composer. His Atalanta fugiens, an alchemical emblem book, was published in 1617. Alongside images, poems, and discussion, it included fifty pieces of music in the form of fugues, the form itself being a pun on Atalanta ("fleeing"). Michael Maier had a strong influence on Sir Isaac Newton.