the early 1930s, political doctrine had pushed the two countries into opposite paths. In the "nature-nurture" debate, nature won out in the extreme genetic doctrines of Nazi Germany, which sought to create a "master race" of genetically pure "Aryans." Nurture won out in Rus- sia, where an equally unsubstantiated Soviet doctrine, epitomized Trofim Lysenko's version of Lamarckism, ignored genes and sought in vain to produce better strains of food plants environmentally.
Graham...