Copy of a letter from Pontecorvo to the Right Honorable Earl of Halsbury discussing the completion of his collaboratory work with Dr Giuseppe Sermonti on applying their "discovered [recombination] technique" to Penicillium chrysogenum

Scope and Content

Sermonti was a guest researcher from the WHO Centre for Chemical Mircobiology in Rome. Pontecorvo writes that, as no industrial laboratory has shown interest in their research work, there would be no point in pursuing patent application.