Henri Becquerel was born on December 15, 1852 in Paris, France. He had a very wealthy family with 4 generations of scientist. His grandpa Antoine Cesar Becquerel was the first, his father Alexandre-Edmond Becquerel, himself and his son Jean Becquerel. He went into engineering at the Ecole Polytechnique and the Ecole des Ponts et Chaussees. Henri later married Louise Desiree Lorieux in 1890.