Philip Greenspun is a computer science who got his PhD at MIT. He has written many textbooks on computer science including SQL for Web Nerds. He has also taught some electrical engineering and computer science courses at MIT. Additionally, he created a website photo.net that helped people with photography. Greenspun has also spent some time as a pilot. In addition to all of these things, he also likes to travel. He seems like a man who has interests that he wants to help other people develop as well.