Invented Double Sided Guitar

Economist, social scientist, statistician

First African American with a Ph.D in computer science; software inventor including OfficeTalk at Xerox PARC

【 本期视频：胃胀按摩中脘穴 】

Researcher, chemist (electronics/specialty chemicals)

Roboticist

Developed improved techniques for blood storage

阿莫西林+呋喃唑酮 +胶体果胶铋+奥美拉唑；