In this period of time I know you also went to Germany to interview scientists, served as a guest lecturer at Brown University, and then from 1995 became a tenured professor at UC Santa Barbara.

• 编辑：这期间我知道你还到德国作过访问科学家，在布朗大学做过客座教授，然后从1995年开始在加州大学圣塔芭芭啦分校做终生教授。