Quote of the day
Optimism is essential to achievement and it is also the foundation of courage and true progress.
Robert Bunsen
Born: March 30, 1811
Died: August 16, 1899 (aged 88)
Bio: Robert Wilhelm Eberhard Bunsen was a German chemist. He investigated emission spectra of heated elements, and discovered caesium and rubidium with the physicist Gustav Kirchhoff.