John_Pethica
John Pethica
British physicist
Sir John Bernard Pethica, FRS, FREng (born 1953) is a British chemist and Science Foundation Ireland (S.F.I.) professor of material science at Trinity College, Dublin, Chief Scientific Advisor at the UK's National Physical Laboratory, and a visiting professor at Oxford University. Pethica is most noted for his work on the development of nanoindentation and atom resolution atomic force microscopy.