“Founders at Work” is an interesting book because you realize that there is no One Right Way to make a successful startup, not even the Paul Graham way! Some are started by hackers only, others include capable business people who were friends of the founding hackers. Some sold a product from the get go and others just went for eye-share. There are many additional degrees of freedom.
The needs of your startup will vary based on your business model. Smart, motivated people have a way of being useful, regardless of their education.
The Prize by Daniel Yergin is another great book that totally demolished all assumptions I'd had of what a "successful businessperson" looked like. It's a history of the oil industry, and I was riveted by how colorful and different the various major personalities were.
The needs of your startup will vary based on your business model. Smart, motivated people have a way of being useful, regardless of their education.