Family and friends of late MythBusters host Grant Imahara have established a foundation in his name to inspire and empower underserved youth to become active in science, technology, engineering, art and math.

The Grant Imahara Steam Foundation was officially announced Friday during a public online celebration of Grant’s life, on what would have been his 50th birthday. The nonprofit foundation will continue his legacy through mentorships, grants and scholarships designed to provide access to Steam education to all students, regardless of socioeconomic status, race or gender.

“There are many students, like my son Grant, who need the balance of the technical and the creative, and this is what Steam is all about,” said Carolyn Imahara, Grant’s mother and foundation co-founder. “I’m so proud of my son’s career, but I’m equally proud of the work he did mentoring students. He would be thrilled that we plan to continue this,...