Rockets: https://en.wikipedia.org/wiki/Wernher_von_Braun

He later worked at NASA.

https://en.wikipedia.org/wiki/Operation_Paperclip

Apart from other mentions, they also did cutting edge research on nuclear power and weapons. Some of the scientists understood how massive an undertaking that was, however the political leadership apparently did not, or the world would look different today.

The Z3 was a German electromechanical computer designed by Konrad Zuse in 1938, and completed in 1941. It was the world's first working programmable, fully automatic digital computer. [c] Wikipedia

https://en.wikipedia.org/wiki/Nazi_human_experimentation

Hypothermia research, sleep deprivation research, etc. really cruel stuff.

Cant believe people like you get to vote