I heard Volcker speak once, you could still see him remembering how hated he was for those years of the Volcker Shock on his face. Strained and a little sad.
Politicians of course tried to take control of the Fed. They also tried to fire him. At one point he needed Secret Service protection. Here's an article from the 1980's about it:
https://www.latimes.com/archives/la-xpm-1987-04-05-fi-492-st...