ON THIS DAY IN OCCULT HISTORY May 23 Tycho Brah and the Alchemy of the Stars (Affiliate disclosure: Some links on this blog may earn us a small commission at no cost to you. Every bit helps keep the lantern lit.) He had a brass nose, a pet elk, and a dwarf jester named Jepp whom he believed to be psychic. These are the details history tends to lead with when it comes to Tycho Brahe—and they’re all true. But occult rumors don’t begin to account for what he actually built, or what he actually believed, or why on May 23, 1576, King Frederick II of Denmark made one of the most consequential acts of royal patronage in the history of science: granting the entire island of Hveen to Tycho Brahe by royal decree, along with an annual stipend, and told him to build whatever he deemed necessary to understand the heavens. What Brahe built was Uraniborg—"the Castle of the Heavens”—the first custom-designed research institution in modern European history. What he pursued there, in ...