View the biography of Regiomontanus

You, who wish to study great and wonderful things, who wonder about the movement of the stars, must read these theorems about triangles. Knowing these ideas will open the door to all of astronomy and to certain geometric problems.
De Tringulis Omnimodis
I crave the liberty to conceal my name, not to suppress it. I have composed the letters of it written in Latin in this sentence --
In Mathesi a sole fundes.
[Anagram from Latinized name, Iohannes Flamsteedius]