Albert Einstein,

One of the greatest scientists of the 20th century is the creator 

of numerous inventions and theories that transformed a lot of 

concepts linked to space and time, with the most important 

discovery being the theory of relativity. Other discoveries of 

Einstein include the photoelectric effect and the Einstein 

calculator.

Born: March 14, 1879, Ulm, Germany Died: April 18, 1955, Princeton, New Jersey, United States