Blaise Pascal
Blaise Pascal (1623–1662) was a French mathematician, physicist and religious philosopher.
Pascal invented a calculator, wrote about conic sections in mathematic, and laid the foundation for the theory of fluid pressure. Together with the mathematician Fermat, Pascal worked on the theory of probability.
Pascal's principle means that pressure exerted in any part of a fluid at rest is transmitted without loss to all parts of the fluid. The principle has important technical applications in e.g. hydraulics. Pascal is also a unit of measurement for pressure equivalent to 1 newton / square meter: kilopascal.
Towards the end of his life, Pascal devoted much to the philosophy of religion.
Reference: Wikipedia
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