In 1962, experts spent months fighting over whether to use chemical or nuclear...

https://lukaszaph075.almoheet-travel.com/the-reality-of-going-to-mars-why-propulsion-is-not-just-a-science-fair-project

In 1962, experts spent months fighting over whether to use chemical or nuclear rockets for the moon. We like to imagine the space race was a smooth, unified march, but these old memos show it was a messy clash of egos