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Louis Essen

English physicist who invented the caesium atomic clock and determined the speed of light (1908-1997).

Born September 6th, 1908 in Nottingham.

Died August 24th, 1997 at 88 years old in Great Bookham.

Occupations
cycling, inventor, physicist
Wikipedia
Louis_Essen

Count your age by friends, not years. Count your life by smiles, not tears. John Lennon