He was baptized with the name of Joseph.
He was a staff officer in the French army lead by Napoleon.
B: He was known for the photograph above, an engraving of a man with a horse.
C: It the earliest heliographic engraving known in the world. It was printed on a metal plate covered with a ground that was etched followed by a light exposure.
D: It was taken in France.
E: No one knows exactly how long it took to make the exposure but they estimate a second to half a second because he used sunlight.
F: It was taken in 1825
EC: The photo is now housed and kept in Bibliotheque Nationale de France, a Nationally known Library in France. They bought it for €450,000 in 2002.
