I know about Michelangelo and Raphael - both painters, but those three are considered to be in the same tier. I don't know any engineers that were considered be

I know about Michelangelo and Raphael - both painters, but those three are considered to be in the same tier. I don't know any engineers that were considered better in his day. Da Vinci is obviously famous in the history books so it would be interesting to know more about his peers, especially if they surpass him in certain domains.