Vilem Rožmberk

Vilem Rožmberk was a wealthy count during the 16th century, born to a powerful family with interests in alchemy.

In 1586, the alchemists Edward Kelley and John Dee secured the patronage of Rožmberk, and moved from Prague to. There, they communicated with the First Civilization using a Crystal Ball.

Reference

 * Assassin's Creed: Project Legacy - Divine Science: Chapter 3 - Elizabeth Jane Weston