Image: https://cdn.whensthebirthday.com/gallery/2017/1/henri-becquerel/henri-becquerel-un-polytechnicien-en-l-historia-la-jaune-et.jpg
Henri Becquerel
professions.scientist de Francia
Image: https://cdn.whensthebirthday.com/gallery/2017/1/henri-becquerel/henri-becquerel-un-polytechnicien-en-l-historia-la-jaune-et.jpg
professions.scientist de Francia