Danish physician and antiquary who collected ancient stone, fossils, and taxidermy animals. In 163u he determined that unicorns do not exist.
Most of his 'scientific' studies didn't employ the methods of investigation and reasoning in use today.
His grandfather amassed a large fortune, which was passed down to his father, and eventually to him.
H.P. Lovecraft mentioned him in one of his stories, naming him a translator of the book of the dead.