Surely they are among Britain's best and brightest:
Birgitta Whaley, 30, earned her undergraduate degree in theoretical chemistry at Oxford University. She wanted to be a college teacher, but the only homegrown opportunities were junior research fellowships that she describes as "glorified post-docs." In February she started teaching at the University of California, Berkeley.
Wilfrid Nixon, 26, a Cambridge Ph.D. in engineering, is a research assistant professor at Dartmouth's Thayer School of Engineering. Says Nixon: "I was looking for opportunities in England, but essentially there was nothing doing."
John Dupre, 33, an Oxford philosophy graduate teaching at Stanford, remembers one year...