Stephen William Hawking CH CBE FRS FRSA (8 January 1942 – 14 March 2018) was an English theoretical physicist, cosmologist, and author who, at the time of his death, was director of research at the Centre for Theoretical Cosmology at the University of Cambridge. Thesis

Doctoral researchers should not waste time on 'Language Editing' as Grammarly may help to solve editing problem. So come up with original idea.