Louis Essen
Louis Essen OBE FRS(6 September 1908 – 24 August 1997) 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 | |
|---|---|
| Born | 6 September 1908 Nottingham, England, UK | 
| Died | 24 August 1997 (aged 88) Great Bookham, Surrey, England, UK | 
| Nationality | English | 
| Known for | The atomic clock/speed of light | 
| Awards | Fellow of the Royal Society (1960) A.S. Popov Gold Medal from the USSR Academy of Sciences (1959) Order of the British Empire (1959) Rabi Award of the IEEE UFFC (1987) | 
| Scientific career | |
| Fields | physics | 
| Doctoral advisor | D. W. Dye |