The author completely left out Lindbergh crossing the Atlantic too. https://www.herox.com/blog/428-history-of-challenges-the-orteig-prize-1919-1927 https://www

The author completely left out Lindbergh crossing the Atlantic too. https://www.herox.com/blog/428-history-of-challenges-the-orteig-prize-1919-1927 https://www.herox.com/blog/428-history-of-challenges-the-ort... I haven’t investigated the effectiveness of modern DARPA Challenges but they seems like a good value for our defense dollars, where we spend trillions.