French photographer. In the 1930s he used a Leica on the streets of Paris; together with Henri Cartier-Bresson he was a pioneer of photojournalism. He is renowned for his 1950 image Le baiser de l'hôtel de ville (Kiss by the Town Hall), a photo of a couple kissing in the busy streets of Paris. Robert Doisneau was appointed a Chevalier (Knight) of the National Order of the Légion d'honneur in 1984.
The pictures are:
Le Remorqueur du Champ de Mars (Tug on the Champ de Mars), 1943
Wiki-biography, there are various posts about him.