Henri Julien Félix Rousseau (French: [ɑ̃ʁi ʒyljɛ̃ feliks ʁuso]; May 21, 1844 – September 2, 1910) was a French Post-Impressionist painter in the Naïve or Primitive manner.He was also known as Le Douanier (the customs officer), a humorous description of his occupation as a toll collector. Ridiculed during his lifetime, he came to be recognized as a self-taught genius whose works are of high artistic quality.