Back in 1962, NASA engineers fought over nuclear versus chemical engines like...

https://wiki-zine.win/index.php/The_Tyranny_of_the_Rocket_Equation:_Why_Your_Mars_Dream_Needs_a_Reality_Check

Back in 1962, NASA engineers fought over nuclear versus chemical engines like their careers depended on it. I dug through the forgotten archives to show why incredibly smart people disagreed on the basic math of lunar flight