Pierre Curie

by Marie Curie

ILLUSTRATIONS

[Pierre Curie in 1906.]
[Pierre and Marie Curie in their laboratory, where radium was discovered.]
[A view of the extraction of radium in the old shed where the first radium was obtained.]
[Pierre Curie with the quartz piezo-electroscope he invented, by which rays of radium are measured.]
[A view of the extraction of radium in the old shed where the first radium was obtained.]
[Mme. Curie instructing American soldiers in her Paris laboratory.]
[Madame Curie in her laboratory at the Institut Curie, Paris.]
[Mme. Curie and President Harding at the White House, May 20, 1921, when a gram of radium was presented to its discoverer by the women of America.]