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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
cyclist, inventor, physicist
Wikipedia

If I could save time in a bottle, the first thing that I'd like to do is to save every day. Jim Croce