... and how it seamlessly became Bayer after the war, with same folks running it. Acquired by Monsanto this year, what else to say
Several of them still exist and are very well known. There were also spinoffs and mergers that happened later, and bit sand pieces of some very large chemical and pharmaceutical companies can trace parts of their lineage back to IG Farben.
The summary on Wikipedia covers it pretty decently.
Those are the chaps, after all, that developed (and trademarked) Heroin.
As a cough medicine for children.
(I really hope that this doesn't need a <sarcasm> tag)
Well, there was the war crimes trial for executives in IG Farben, as well as for other industrialists. Not exactly seemless.
That's only a little stiffer than what happens to a US company when the SEC discovers fraud.
It's not specifically about either of the world wars. It's about the work that led to the discovery of the Haber-Bosch process that makes it possible to produce ammonia by extracting nitrogen from the atmosphere.
This was a hugely valuable discovery - and the companies that formed as a result ended up having a significant impact on both wars.
The book talks about how the German chemical industry formed, how the discovery of the Haber-Bosch process affected the industry, how Fritz Haber helped lead Germany's chemical weapons development during WW1, and how the major chemical companies were eventually merged to form IG Farben, which was responsible for some pretty horrible things during WW2.