The chemist Tracy Hall died at the age of 88. Here is all you want to know, and more!
Biography - A Short Wiki
Chemist who became the first person to grow a synthetic diamond according to a reproducible process and using a press of his own design while working at GE. The company went on to make a fortune with his synthetic diamond reproduction invention but all he got in addition to his regular salary was a $10 Savings Bond.
A devoted Mormon, he had seven children, 35 grandchildren and 53 great-grandchildren.