In 986, a Viking named Bjarni Herjólfsson became the first European to spot North America. He was lost, trying to sail from Iceland to Greenland.… Read More
The physician and theologian Michael Servetus (Miguel Serveto in Spanish) 1509? – 1553 was the first European to accurately describe pulmonary circulation. He was condemned as a heretic and burned at the stake by John Calvin and his followers, along with his books.