This design is based on my SSR-01 project so please go there and read about the super regulator details.The basic idea is old as you can see and here I have taken two regulator circuits and a rectifier section to form a complete ultra stable power supply with extremely low noise out.
The regulator from 1961
The basic idea has been around for at least 52 years.
Bob Pease has dug up some info about the Philbrick tube super regulator . The circuit solution can be traced back to 1961 at least. Change all triodes to transistors and you'll see that this is really a super regulator.
The regulator from 1977
The Super Regulator from 1977, design by Mr. Kaneda.