In November 1969 he went to Cuba as part of the Venceremos Brigade and spent about 5 months harvesting sugar cane.

[6] Allen offered the fullest treatment of the life and work of Thomas Hunt Morgan, himself a Kentucky native.

Allen's extensive review of Morgan presented the story of an experimentalist who staunchly avoided open political ties to science for fear of biasing the research.

His discussion of the fly room, first at Columbia, then at Caltech, suggests that the collaborative environment within which Morgan worked with his students, H.J.

[8] His work suggests that eugenics movements were not merely localized to Germany, Britain and America, but rather that eugenics constituted an international ideological shift from social Darwinism, whereby nature would weed out people with poor heredity, to an ideology where humanity must control its own genetic stock.