Albert Einstein was a German man. He is widely known and acknowledged to be one of the greatest physicists of the time. And till date, we have been studying about him and his great works. He died at the age of 76 years. He was suffering from an abdominal aortic aneurysm rupture for several days.
He discovered the photoelectric effect, for which he won the Nobel Prize for Physics in 1921. He developed various theories of relativity that led to new ways of looking at time, space, matter, energy and gravity to which we study about till this very day.