Greer Ellis (June 7, 1920 — October 15, 1997) was an American engineer and inventor of Stresscoat brittle coating for non-destructive stress analysis.
[1] Ellis earned a BS in Physics in 1934 from the George Washington University[1] and began an MS from Massachusetts Institute of Technology with Professor Alfred V. de Forest in 1936.
[2] Working with Magnaflux Corporation, a company founded by his MIT MS advisor Alfred V. de Forest, Ellis starting marketing a brittle coating for non-destructive stress analysis under the name Stresscoat in 1941.
[3] After some time working with Magnaflux Corporation, he established his own consulting business as Ellis Associates.
He was much sought-after for consulting on new stress analysis tools including the Stresscoat brittle coating he invented and bonded electric resistance strain gages invented at MIT during his time at the university.