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Arago, Dominique Francois Jean

Born: 1786 AD
Died: 1853 AD
Nationality: French
Categories: Physicists

1786 – Born on February 26th in Estagel, Roussillon, France. French physicist who discovered the principle of the production of magnetism by rotation of a nonmagnetic conductor.

         – His scientific achievements were mainly in the fields of astronomy, magnetism, and optics.

1803 – He entered the Polytechnic.

         – Working with Augustin Fresnel, he discovered that two beams of light polarized in perpendicular directions do not interfere, leading to the transverse theory of light waves.

1804 – Became secretary to the Paris Observatory.

1811 – He invented the polariscope and later developed a polarimeter, which he used in several astronomical studies.

1830 – Became the chief director to the Paris Observatory.

         – He took a prominent part in the July Revolution.

1848 – He was a member of the provisional government.

1853 – Died on October 2nd in Paris.