He didn't get investors really, that why he financed it himself. Later he got a few friends to invest. They were able to get some loans based on NASA fixed-price contracts. And then they only raised again later when they were further along, much further then Boom.
Building a large jet-liner isn't something many companies have done. Let alone a supersonic one.
Building a large jet-liner isn't something many companies have done. Let alone a supersonic one.