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Stephen hawking scientist Hunan Science and Technology Press A brief history of time Love is life
01-08
![The image of science and scientists in the changing times丨 Commemorates the 80th anniversary of Hawking's birth[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)