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Louis Essen

English physicist who invented the caesium atomic clock and determined the speed of light (1908-1997) · United Kingdom · On the map · Scientists · Died at 88

Louis Essen OBE FRS was an English physicist whose most notable achievements were in the precise measurement of time and the determination of the speed of light. He was a critic of Albert Einstein's theory of relativity, particularly as it related to time dilation.

Louis Essen is read about 14 times a day, in 14 languages.

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A life in dates

1997Died24 August 19971987I. I. Rabi AwardAward1960Fellow of the Royal SocietyAward1959Officer of the Order of the British EmpireAward1908Born6 September 1908

Awards

I. I. Rabi Award1987
Fellow of the Royal Society1960
Officer of the Order of the British Empire1959
A. S. Popov Gold Medal

About this person

Country
United Kingdom
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1908 to 1997 · aged 88