My grandfather on my mother's side was a professor of mechanical engineering at the Massachusetts Institute of Technology my other grandfather was a lawyer and one time Speaker of the Tennessee House of Representatives.

My grandfather on my mother's side was a professor of mechanical engineering at the Massachusetts Institute of Technology my other grandfather was a lawyer and one time Speaker of the Tennessee House of Representatives.

My father was on the faculty in the Chemistry Department of Harvard University my mother had one year of graduate work in physics before her marriage.

My father was on the faculty in the Chemistry Department of Harvard University my mother had one year of graduate work in physics before her marriage.