Quote of the day
No written law has ever been more binding than unwritten custom supported by popular opinion.
Jean Baptiste Perrin
Born: September 30, 1870
Died: April 17, 1942 (aged 71)
Bio: Jean Baptiste Perrin was a French physicist who, in his studies of the Brownian motion of minute particles suspended in liquids, verified Albert Einstein's explanation of this phenomenon and thereby confirmed the atomic nature of matter.
Known for:
- Brownian Movement and Molecular Reality (1910)
- Atoms