William Williams Keen
William Williams Keen Jr. (January 19, 1837 – June 7, 1932) was an American physician and the first brain surgeon in the United States. During his lifetime, Keen worked with six American presidents.
Детальніше...
William Williams Keen Jr. (January 19, 1837 – June 7, 1932) was an American physician and the first brain surgeon in the United States. During his lifetime, Keen worked with six American presidents.
Детальніше...