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".
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". (en)