“Economic growth must be the central issue because it is only through growth that the devastating threat of national bankruptcy can be averted. Furthermore, it is only by reviving American economic growth that the West's global predominance can be sustained, and peace and freedom kept secure around the world.”

American aerospace engineer and author

Robert Zubrin is an American aerospace engineer, author, and advocate for human exploration of Mars. He is known for arguing that space will shape future military and political power, and for making the case for a stronger American role in space. His writing often turns on Mars exploration and on the strategic importance of space. He has also argued that control of space will matter in future conflict, and that peace on Earth depends on preparing for war beyond it.