He is famous for Pascal's theorem and many other contributions in mathematics, philosophy, and physics. Blaise Pascal (1623–1662) was a French mathematician, physicist, and religious philosopher who wrote a treatise on vibrating bodies at the age of nine he wrote his first proof, on a wall with a piece of coal, at the age of 11 years, and a theorem by the age of 16 years.In psychology research literature, the term child prodigy is defined as a person under the age of ten who produces meaningful output in some domain to the level of an adult expert professional. You can help by adding missing items with reliable sources. This is a dynamic list and may never be able to satisfy particular standards for completeness.