Solution: Astronomer who lost part of his nose in a sword duel - NYT Crossword

I was today years old when I learned that the 16th-century astronomer Tycho BRAHE not only made enormous strides in building sophisticated instruments used to measure and fix the positions of the stars, but also lost part of his nose in a duel with his cousin after drunkenly quarreling over who was the better mathematician. He wore a metal prosthetic for the rest of his life, which made going through airports a real bear. There was a rumor that he died of [checks notes] “nose toxicity” because of the brass prosthetic, but, more recently, scientists have concluded that he just too polite to ask to go to the bathroom.