Robert Doisneau, is a French , born on 14 April 1912, at Gentilly, Val-de-Marne. He was a photographer who pioneered photojournalism in 1930 he used a Leica on the streets of Paris, along with Henri Cartier-Bresson. He is best known for photograph in 1950 under the title Le baiser de l’hôtel de ville (Kiss by the Hôtel de Ville), a photograph couples who are kissing in the busy streets of Paris.
Now is the 100th of his birthday. Wikimedia will tells you more.