Blaise Pascal was a French mathematician, physicist, inventor, philosopher, and Catholic writer.
Pascal c. 1691
A scene from Pascal's youth
An early Pascaline on display at the Musée des Arts et Métiers, Paris
Pascal studying the cycloid, by Augustin Pajou, 1785, Louvre
Pierre de Carcavi was born in about 1603, in Lyon, France and died in Paris in April 1684. He was a secretary of the National Library of France under Louis XIV. Carcavi was a French mathematician.
Engraving of Pierre de Carcavy's portrait, a Gift of Mr. and Mrs. Theodore Harris