On Friday, October 23, those who knew and loved Grant Imahara will have a chance to celebrate the life of the MythBusters host. On the day that would have been his 50th birthday comes the announcement of nonprofit The Grant Imahara STEAM Foundation, created by friends and family of Imahara (including his mother Carolyn) to "inspire and empower underserved youth to become active in science, technology, engineering, art and math." The unexpected passing of Imahara this summer from a brain hemorrhage made a massive impact on many different communities, as he had touched many lives not just as a long-…