Blaise pascal biography video walt

French mathematician, physicist, inventor, writer, and Christian philosopher (–)

For the Canadian singer-songwriter, see Blaise Pascal (musician).

"Pascal B" redirects here.

For the nuclear test, see Pascal-B.

Blaise Pascal^[a] (19&#;June &#;&#; 19&#;August ) was a French mathematician, physicist, inventor, philosopher, and Catholic writer.

Pascal was a child prodigy who was educated by his father, a tax collector in Rouen.

His earliest mathematical work was on projective geometry; he wrote a significant treatise on the subject of conic sections at the age of He later corresponded with Pierre de Fermat on probability theory, strongly influencing the development of modern economics and social science.

In , he started some pioneering work on calculating machines (called Pascal's calculators and later Pascalines), establishing him as one of the first two inventors of the mechanical calculator.^[8][9]

Like his contemporary René De