Editorial biography
William Donald Hamilton (1936-2000) was a British evolutionary biologist whose work fundamentally transformed our understanding of altruism and social behavior in nature. While not directly engaged in philosophy of religion or theology, Hamilton's revolutionary theories on inclusive fitness and kin selection had profound implications for debates about divine design and natural theology. His mathematical models demonstrating how apparently selfless behaviors could arise through purely naturalistic evolutionary processes challenged traditional arguments that moral altruism required divine explanation. Hamilton's work on the evolution of sex, senescence, and social insects provided naturalistic accounts for phenomena previously cited as evidence of divine purpose. His later research on parasite-host coevolution further illustrated how complexity and apparent design could emerge without supernatural intervention. Though Hamilton himself held complex views on religion and occasionally expressed mystical leanings, his scientific contributions significantly strengthened naturalistic explanations for biological phenomena that had historically been attributed to divine action.