How did 400,000 People Landed Apollo 11 on the Moon

There may have been three men on Apollo 11 that day, but according to Thimmesh's splendid piece of original research on what happened behind the scenes, it took 400,000 people to get them there-including 17,000 at the Kennedy Space Center, 7,500 workers at Grumman who constructed the lunar module, flight directors,