In 1962, the smartest people in the room couldn't agree on how to get to the...

https://wiki-neon.win/index.php/Docking:_The_Necessary_Evil_of_Human_Spaceflight

In 1962, the smartest people in the room couldn't agree on how to get to the moon. While engineers crunched numbers on nuclear, chemical, and electric propulsion, they bickered over the fundamental physics of the mission