John Harrison https://en.wikipedia.org/wiki/John_Harrison

Master mechanical engineer right there. I feel like it’s extra credit if you have to build the things you designed yourself.

I meant between the 4 I listed?

Here is my proof, please shoot holes in it. https://www.louiscordier.com/the_2_book_of_louis/

That is why we are stuck on this dying planet burning coal to survive during the winter

Nikolai Ivanovich Lobachevsky

My vote is for Sadi Carnot

Time Cube, much?

Oliver Bullied?

Isambard Brunel?

Leonardo.

Tesla, Edison, Musk or me?