The 1962 debate over nuclear vs. chemical vs. electric propulsion was a classic...

https://www.bookmark-belt.win/in-1962-nasa-engineers-hit-a-wall-should-they-bet-the-moon-landing-on

The 1962 debate over nuclear vs. chemical vs. electric propulsion was a classic grudge match. Before Apollo, experts fought bitterly over how to reach the moon. It wasn't just physics; it was pure ego