Page 67 - DK Life Stories Albert Einstein by AELC
P. 67

This is Albert.             And here’s President Harding.



























         Albert during his tour of the United States, with President
         Warren G. Harding at the White House, Washington, D.C.


             In 1921, Albert was told that he had
         been selected for the Nobel Prize in Physics.

         He was given the prize for his general
         contributions to theoretical physics, but

         specifically for his work on the “photoelectric
         effect.” The photoelectric effect occurs when

         light strikes a surface (usually metal) at a certain
         frequency so that it causes electrons to be

         released from that surface. Albert wrote about
         this in his first “miracle year” paper in 1905.


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