Richard C. Lewontin (1929) American evolutionary biologist
And above all else, "Remember that all the other caveats are only reminders and warning signs whose application to different circumstances of the real world is contingent."
"The Problem of Lysenkoism" by Richard Lewontin and Richard Levins, in Hilary and Steven Rose (eds.), The Radicalisation of Science, Macmillan, 1976, p. 58.