Does anyone know when, where & why the phrase "plutonium is the most toxic material know" was used, and in what context? If so, I would like the details, including the exact reference. Thanks, Les Fraley, retired Radiological Health Sciences Colorado State University Ft Collins CO 80523 970-491-5677 (O) 970-221-1624 (H) 970-491-0623 (FAX) les@lamar.colostate.edu