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Home > Georges-Louis Leclerc, Comte de Buffon


Georges-Louis Leclerc, Comte de Buffon ( September 7, 1707 - April 16, 1788) was a French naturalist, mathematician, biologist, cosmologist and author. Buffon's views influenced the next two generations of naturalists, including Jean-Baptiste Lamarck and Charles Darwin.

Buffon is best remembered for his great work Histoire naturelle, générale et particulière (1749-1788: in 36 volumes, 8 additional volumes published after his death by Lacepede). It included everything known about the natural world up until that date. In it Buffon considered the similarities between humans and apes, and the possibility of a common ancestry. Those who assisted him in the production of this great work included Louis-Jean-Marie Daubenton. Buffon's work is considered to have greatly influenced modern ecology (see history of ecology).

The problem of Buffon's needleIn mathematics, Buffon's needle problem is a question first posed in the 18th century by Georges-Louis Leclerc, Comte de Buffon: suppose we have a floor made of parallel strips of wood, each the same width, and we drop a needle onto the floor. What is the in probability theoryProbability theory Discrete mathematics Mathematical analysis Probability theory is the mathematical study of probability. Mathematicians think of probabilities as numbers in the interval from 0 to 1 assigned to "events" whose occurrence or failure to occ is named in his honor.

In Les époques de la nature (1778) Buffon discussed the origins of the solar systemA generic solar system (or planetary system consists of at least one star and various orbiting objects (such as asteroids, comets, moons, and planets). The term originated to describe the planetary system around Sol, the Latin name for our sun. The planet, speculating that the planets had been created by comets colliding with the sunThe Sun (also called Sol is the star in our solar system. Planet Earth orbits the Sun. Other bodies that orbit the Sun include other planets, asteroids, meteoroids, comets and dust. Not all objects passing through the solar system have been orbitally capt. He also suggested that the age of the earthEarth also known as the Earth or Terra is the planet on which we live, the third planet outward from the Sun. It is the largest of the solar system's terrestrial planets, and the only planetary body that modern science confirms as harbouring life. The pla was much greater than the 6,000 years proclaimed by the church. Based on the cooling rate of ironThis article is about metallic iron. For the ironing device, see ironing manganese iron cobalt Fe Ru Full table General Name, Symbol, Number iron, Fe, 26 Chemical series transition metal Group, Period, Block 8 (VIIIB), 4 , d Density, Hardness 7874 kg/m3,, he calculated that the age of the earth was 75,000 years. For this he was condemned by the Catholic Church in France and his books were burned.

Depite his many brilliant insights he is also known for expounding the theory that nature in the New World was inferior to that of Eurasia. He argued that the Americas were lacking in large and powerful creatures, and that even the people were far less virile than their European counter parts. He ascribed this to the marsh odours and dense forests of the continent.

He was born at Montbard, Côte d'Or. His father, Benjamin Leclerc, was the Lord of Dijon and Montbard. He attended Jesuit College from the age of ten, and then Angers University . He began studying law, but soon began to concentrate on his twin interests of mathematics and science.

He was forced to leave university after becoming involved in a duel, and set off on a grand tour of Europe, returning when his father's remarriage threatened his inheritance.

He first made his mark in the field of mathematics and in Sur le jeu de franc-carreau introduced differential and integral calculus into probability theory. During this period he corresponded with the Swiss mathematician, Gabriel Cramer.

His translations of works by Isaac Newton and Stephen Hales' Vegetable staticks into French heightened his interest in biology.

He moved to Paris, making the acquaintance of Voltaire and other intellectuals. He joined the French Academy of Sciences at the age of 27. He was Keeper of the Jardin du Roi (later Jardin des Plantes) in Paris from 1739. During his period in charge he converted it from the King's garden to a research centre and museum, and the park was considerably enlarged, with the addition of many trees and plants from around the world.

He was created Comte de Buffon in 1773. He died in Paris 1788.



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