Were Carl Sagan and Mary Doria Russell both American?
Mary Doria Russell Mary Doria Russell (born August 19, 1950) is an American novelist.
Mary P. Sinclair Mary P. Sinclair (September 23, 1918 – January 14, 2011) was an American environmental activist and "one of the nation’s foremost lay authorities on nuclear energy and its impact on the natural and human environment".