Carl Friedrich Gauss
Mathematician
German mathematician who created Gauss's Law, Gauss's Law for Magnetism, and the process of degaussing, among many other contributions.
He was a child prodigy who had completed the text Disquisitiones Arithmeticae by the time he was twenty-one.
He developed a method to plot the location of planets when he was twenty three.
He had three children with his first wife, Johanna Osthoff, and three children with his second wife, Friederica Wilhelmine Waldeck.
Like Hendrik Lorentz, he was a winner of the Copley Medal.