In 1962, 18 Nobel laureates debated whether nuclear, chemical, or electric...

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

In 1962, 18 Nobel laureates debated whether nuclear, chemical, or electric engines should power our moon race. While the public saw simple capsules, these experts saw a fractured path to the stars. Science is rarely as tidy as the brochures claim!