Penfield, Wilder Graves (26 January 1891–05 April 1976), neurosurgeon and neurophysiologist, was born in Spokane, Washington, the son of Charles Samuel Penfield, a physician and hunter, and Jean Jefferson, a teacher. Because of his father’s financial problems, in 1899 Penfield’s mother took the children to live with her parents in Hudson, Wisconsin, so the children could receive a good education in the local schools. While in Hudson, Mrs. Penfield founded the Galahad School and was the primary teacher. Following graduation, Penfield continued his education at Princeton University, with financial assistance from his grandfather. In 1913 he graduated with a Bachelor of Literature degree....