Nuclear weapons have developed the means of war to the extreme, and also led to the outbreak of a world nuclear war without winners. Even if there are a few survivors, the achievements of material and spiritual civilization created by mankind for thousands of years will be destroyed, and they will have to go back to the Stone Age to re-evolve.

Einstein was born in a Jewish family in Ulm, Germany (both parents were Jews). 1900 graduated from Swiss Federal Institute of Technology in Zurich and became a Swiss citizen. 1905, Einstein received his Ph.D. in physics from the University of Zurich, put forward the photon hypothesis, and successfully explained the photoelectric effect (so he won the 192 1 Nobel Prize in physics). In the same year, he founded the special theory of relativity; in 19 15, he founded the general theory of relativity; in 1933, he moved to the United States and worked in Princeton Institute for Advanced Studies. He became an American citizen on 1940, while retaining Swiss citizenship. 1955 On April 8, Einstein died in Princeton, New Jersey, USA, at the age of 76.