1. Historical information and quotations from https://history.aip.org/exhibits/curie/contents.htm Accessed August 27, 2017. American Institute of Physics and Naomi Pasachoff, based on the book Marie Curie and the Science of Radioactivity by Naomi Pasachoff, Oxford University Press, copyright 1996 by Naomi Pasachoff.
2. The Official Website of the Nobel Prize. https://www.nobelprize.org Accessed August 28, 2017.