Who is Noel Constant from The Sirens of Titan and what is their importance?

Noel Constant is the father of Malachi Constant. Using a bizarre method of choosing stocks based on the letters in the Bible, Noel Constant builds an enormous fortune, which, with the help of Ransom K. Fern, is turned into a powerful corporation. Noel only sees his son Malachi once during his life.