Lang lives in the San Francisco bay area. He is a laser physicist and graduate of the California Institute of Technology, and has nearly 50 U.S.patents to his name.

VOA: standard.2010.03.17

But the Bay Area, the San Francisco Bay Area there,

但是在旧金山湾区，

旧金山的公共交通 - SpeakingMax英语口语达人

But the Bay Area, the San Francisco Bay Area there,

但是在旧金山湾区，

旧金山的公共交通 - SpeakingMax英语口语达人