George William Gray, British chemist, developer of stable liquid crystals (died 2013)

George William Gray was a Professor of Organic Chemistry at the University of Hull who was instrumental in developing the long-lasting materials which made liquid crystal displays possible. He created and systematically developed liquid crystal materials science, and established a method of practical molecular design. Gray was recipient of the 1995 Kyoto Prize in Advanced Technology.

September 4 is the 247th day of the year in the Gregorian calendar; 118 days remain until the end of the year.