Postage stamp Archives of Modern Conflict OR National Gallery of Canada The illustration shows Arago standing and talking while Daguerre and the young Niepce are seated next to him. That scene took place on August 18, 1839, not January 7, 1839. Could the French Postal Service have possibly made a mistake?
This illustration was included in the lecture "The many faces of Daguerre" presented by Matt Isenburg at the Daguerreian Society Symposium (2009).