How to Design a Martian City Building future Mars settlements will require help from all types of experts—not just astrophysicists and entrepreneurs. SpaceX and Tesla CEO “Elon Musk is a really smart guy and everything,” said Tufts Professor Justin Hollander, A96, “but he doesn’t know anything about urban planning.” https://now.tufts.edu/2022/04/18/next-stop-mars