Known for his intellectual versatility and depth of knowledge, Fernel became a physician only after spending much of his life studying philosophy, astronomy, and mathematics. He is widely regarded as one of the leading figures of 16th century science and medicine, and is remembered especially for his work in the area of physiology and for dispelling some of the period's reliance on astrology and magic in matters of health. Fernel is also reputed to have coined the Latin words that eventually became our modern "pathology" and "physiology."

Born in Mondidier, France, Fernel was the son of a successful innkeeper and furrier. He attended the College de Ste. Barbe in Paris, from which he earned his master's degree in 1519. He spent until 1524 in virtual seclusion as he sought to learn all he could about his favored academic disciplines. However, he was forced to leave Paris for a period of...