Andrew Weil was born in Philadelphia in 1942, received an A.B. degree in biology (botany) from Harvard in 1964 and an M.D. from Harvard Medical School in 1968. After completing a medical internship at Mt. Zion Hospital in San Francisco, he worked a year with the National Institute of Mental Health, then wrote his first book, The Natural Mind. From 1971–75, as a Fellow of the Institute of Current World Affairs, Dr.