George_Dawson_Preston
George Dawson Preston
British physicist
George Dawson Preston FRSE (8 August 1896 – 22 June 1972) was a 20th century British physicist specialising in crystallography and the structure of alloys. He was one of the first to use x-rays and electron diffraction to study the crystal structure of metals and alloys. Along with André Guinier, Preston gives his name to the Guinier-Preston zone, discovered in 1938.[1][2][3]