During the year 1894, Pierre Curie wrote me letters that seem to me admirable in their form. No one of them was very long, for he had the habit of concise expression, but all were written in a spirit of sincerity and with an evident anxiety to make the one he desired as a companion know him as he was.

During the course of my research, I had had occasion to examine not only simple compounds, salts and oxides, but also a great number of minerals.

My experiments proved that the radiation of uranium compounds can be measured with precision under determined conditions and that this radiation is an atomic property of the element of uranium.

Marie Curie Quotes