Main Page | See live article | Alphabetical index Paul Henry 1848-1905 was a French optician and astronomer, who along with his brother Prosper; 1849-1903; made refracting telescopes and instruments for observatories. They were involved in the origin of the Carte du Ciel project and discovered Asteroid 141. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.