“Thomas Pynchon’s labyrinthine 1973 postmodern tome Gravity’s Rainbow” is well worth reading. You need a lot of patience and a sense of humor.
Amongst countless chemicals synthesised, IG Farben created Zyklon B which releases cyanide gas and was used in the Nazi death camps.
IG worked as part of the Nazi regime and used slave labor in their factories. Indeed, it has been argued that without IG’s substantial assets the Nazis could not have come to power.
George Bush’s grandfather, the late US senator Prescott Bush, was a director and shareholder of companies that profited from their involvement with the financial backers of Nazi Germany.