If you are bored and want to look up a cool dude: Simon Stevin (1548 - 1620).
His first publication was a buch of tables with interest calculations, showing the true cost of debt to the public at large; something that was a trade secret closely held by bankers up until then.
He introduced the decimal system into Europe, a physics proof here and there, and translated the sciences into Dutch because Dutch is obviously the superiour language spoken by Adam and Eve.
He also made this thing
