Quote of the day
Optimism is essential to achievement and it is also the foundation of courage and true progress.
William Lawrence Bragg
Born: March 31, 1890
Died: July 1, 1971 (aged 81)
Bio: Sir William Lawrence Bragg was an Australian-born British physicist and X-ray crystallographer, discoverer of Bragg's law of X-ray diffraction, which is basic for the determination of crystal structure.