Sir Edwin Chadwick
Discovered Neutron
(24 January 1800 – 6 July 1890)

Ernest Lawrence
Invented Cyclotron
(August 8, 1901 – August 27, 1958)

Hermann Joseph Muller
Studied Genetic Effects of Radiation on Fruitfly
(December 21, 1890 – April 5, 1967)

Georg Perthes
Use of Radiation in treatment of warts and cancer
(17 January 1869 – 3 January 1927)

Marie Curie
Discovered Polonium and Radium
(7 November 1867 – 4 July 1934)

Pierre Curie
Discovered Polonium and Radium
(15 May 1859 – 19 April 1906)

Hans Geiger
Developed Radiation Detector
(30 September 1882 – 24 September 1945)

Max Von Laue
Discovered Diffraction from X-rays by Crystals
(9 October 1879 – 24 April 1960)