Bill Gates Began the Altair BASIC Code in His Head While Hiking as a Teenager

Friday Bill Gates shared an excerpt from his upcoming memoir Source Code: My Beginnings. Published in the Wall Street Journal, the excerpt includes pictures of young Bill Gates when he was 12 (dressed for a hike) and 14 (studying a teletype machine).
Gates remembers forming "a sort of splinter group" from the Boy Scouts when he was 13 with a group of boys who "wanted more freedom and more risk" and took long hikes around Seattle, travelling hundreds of miles together on hikes as long as "seven d