[1] Facing economic problems in Berlin, he decided to earn money as a ventriloquist, performing under the stage name Monsieur Alexandre.
[1] His career lasted from 1815 to 1835, during which he visited over 550 cities and performed before royalty including the Tsar of Russia and Queen Victoria.
[1] He gained acclaim and wealth through his ventriloquism, while becoming friends with famous writers and artists including Goethe, Lamartine, Pushkin, and Sir Walter Scott.
[1] After becoming famous and wealthy as a ventriloquist, Vattemare retired and spent the next 25 years as a philanthropist promoting free public libraries and the universal dissemination of culture.
[2] He first proposed the unification of Boston's major social libraries and a committee to investigate this idea appointed by mayor, Josiah Quincy.
Books and other documents exchanged through Vattemare's system can still be found in libraries throughout the world, particularly Boston and Paris.