Howard Tracy Hall (October 20, 1919 - July 25, 2008) was an American physical chemist, and the first person who grew a synthetic diamond according to a reproducible, verifiable and witnessed process, using a press of his own design.Read more
Howard Tracy Hall (October 20, 1919 - July 25, 2008) was an American physical chemist, and the first person who grew a synthetic diamond according to a reproducible, verifiable and witnessed process, using a press of his own design.