Main Page | See live article | Alphabetical index Jacques Charles (1746-1823) was a French chemist who developed the theory of Charles' Law around 1787. Charles did not publish his theory; it was published by Joseph Louis Gay-Lussac in 1802. Charles also created the first balloon filled with hydrogen, and ascended to a height of around 2 miles. He was elected to the Académie française in 1785. This article is a stub. You can help Wikipedia by fixing it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.