He subsequently earned a Ph.D in mathematics from the University of Michigan, and became an assistant professor at the University of California, Berkeley in 1967 at age 25.
He became an assistant professor at the University of California, Berkeley in 1967 at age 25. He subsequently earned a PhD in mathematics from the University of Michigan.
He subsequently earned a PhD in mathematics from the University of Michigan. He became an assistant professor at the University of California, Berkeley in 1967 at age 25.
He subsequently earned a PhD in mathematics from the University of Michigan. He became an assistant professor at the University of California, Berkeley in 1967 at age 25.