YouTube star known for posting videos about space and science. His channel has amassed more than 14,000 subscribers. He is also an aerospace engineer and a game designer.
His first video was released in March 2013.
His most popular video has more than 780,000 views. He is an author and an engineer at SpaceX. He has written a book called "Beyond the Known" that's now available for purchase.
He is from Canada.
He has a video dedicated to Nelson Mandela.