Thanks for the response. Lots of rabbit holes for my kids and I to explore. First up for this weekend is this -> "Cosmonauts: How Russia Won the Space Race" found here https://ihavenotv.com/cosmonauts-how-russia-won-the-space-ra....

> Whatever one thinks of the Soviet political system, they did have some great achievements.

So true. Kids and I are slowly working through the Gelfand correspondence course (math) and it's amazing.