Coworkers of the Curie Laboratory directed by Marie Curie, sitting on the steps of the Radium Pavilion, in the Radium Institute of Paris : Unidentified man, Sonia Cotelle and Jeanne Samuel-Lattès (on the top), Dragoljub Yovanovitch and unidentified man (source : Musée Curie ; coll. Institut du Radium ; MCP1921)
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