Below you can find the In the 1930s carroll f. chatham invented a process to create these green gems artificially Jeopardy Words Answer. The answer to In the 1930s carroll f. chatham invented a process to create these green gems artificially has 8 letters. This clue belongs to the Gems & jewelry category and is part of Jeopardy Word Level 940. If you scroll near the bottom you will find other clues and answers part of level 940