In 1962, 186 scientists argued over whether nuclear, chemical, or electric...

https://bizzmarkblog.com/the-tyranny-of-the-scale-why-mass-is-the-only-metric-that-actually-matters/

In 1962, 186 scientists argued over whether nuclear, chemical, or electric rockets should take us to the moon. It wasn't just math; it was a battle of egos and competing visions