理論物理學家愛因斯坦的介紹網站

https://drive.google.com/file/d/1bnCgH04aEOkEIINa32WN2sWl--P4w1Jn/view?usp=drive_web
1921:  German-born physicist Albert Einstein (1879 - 1955)  standing beside a blackboard with chalk-marked mathematical calculations written across it.  (Photo by Hulton Archive/Getty Images)
https://en.wikipedia.org/wiki/Albert_Einstein
https://drive.google.com/file/d/1DipYdCDetjmEDjTmsS4SuP4kGK-yang6/view?usp=drive_web
https://drive.google.com/file/d/1_q5e-BQ_jnqh3oADFMoJ6Pw71a9I1KKL/view?usp=drive_web