1736 – Lagrange – bio

Guiseppe Lodovico Langrangia, aka Joseph Louis (Luigi) Lagrange was born in 1736 and grew up in Turin, Italy, but also lived in Prussia and France. He is primarily known as a mathematician but also made contributions to astronomy. Euler and Lagrange collaborated to create the Euler-Lagrange equation and created the field called calculus of variations. Lagrange created the sub-field of differential equations known as partial differential equations and did work on probability theory that inspired Ruffini, Abel and Galois to create group theory.

In the field of astronomy, Lagrange did work on planetary orbits and mechanics and discovered Lagrange points which are stationary and stable orbital positions between two larger bodies, such as the Earth and the Moon.

PRECURSOR:
1571 – Kepler
1643 – Newton
1656 – Halley
1685 – Taylor
1700 – Bernoulli

CONCURRENT:
1707 – Euler
1717 – D’Alembert
1749 – Laplace

SUBSEQUENT:
1765 – Ruffini
1768 – Fourier
1781 – Poisson
1786 – Arago
1789 – Cauchy
1802 – Abel
1804 – Jacobi
1805 – Hamilton
1809 – Grassman
1811 – Galois
1815 – Boole

6 Responses to “ 1736 – Lagrange – bio ”

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