Polyglot Manhattan, land of hundreds of different languages and cultures, was decidedly not Sir Howard Florey's cup of tea --- nor Hitler's either.
Both much preferred the purer refinement of Oxford University's environs.
But impure natural penicillin - wartime's penicillin - and still (75 years on) the base of almost all our life-saving antibiotics could never have been manufactured at Oxford or in Berlin.
Both were far too obsessed with purity racial and chemical --- both would still be chasing the chimera of pure synthetic penicillin.