Armaan Sohi, Anampreet Cheema November 7 1867- July 4 1943 • • • • • polish physicist and chemist. famous for research on radioactivity. first person honoured with two nobel prizes in physics and chemistry first female professor at the university of Paris . • • • • Radioactive atoms emit three different kinds of radiation. Did further research on. alpha particle, stopped by a sheet of paper beta rays, stopped by a layer of clothing or by a few millimetres of a substance like aluminum Gamma rays, stopped by several feet of concrete or few inches of lead 15 May 1859 – 19 April 1906 • • • • French physicist pioneer in crystallography, magnetism, piezoelectricity, and radioactivity, and Nobel laureate. famous for receiving the Nobel Prize in Physics with his wife, Marie Curie. Through his research, he was considered one of the main founders of modern physics. • • Pierre and his wife, Marie Curie, discovered radium and polonium in their investigation of radioactivity. Pierre and his wife both stated that radioactive materials cause atoms to break down. • • • • • • • Street accident in Paris on 19 April 1906. Rue Dauphine in the rain at the Quai De Conti He slipped and fell He died instantly when one of the wheels ran over his head fracturing his skull. Died at the Sancellemoz Sanatorium in Passy eastern France Aplastic anemia. Caused by exposure to radiation.