I am in shock that Grant died so young. My heart goes out to his family and friends.
He was most famous for being a Mythbuster,
Grant worked at ILM in visual effects on some of my favorite movies like Star Wars and The Matrix.
He also played Sulu on Star Trek Continues fan series. IMDB
Grant made robots and recently made a baby yoda.
Media states Grant died from a brain aneurysm. I wonder if his death is covid-19 related due to blood clots.