title: Fifty years of illumination about the natural levels of adaptation.
abstract: A visionary Darwinian ahead of his time, George C. Williams developed in his 1966 book Adaptation and Natural Selection the essentials of a unifying theory of adaptation that remains robust today and has inspired immense progress in understanding how natural selection works.
authors.affiliation: Centre for Social Evolution, Department of Biology, University of Copenhagen, 2100 Copenhagen Denmark; Department of Zoology, University of Oxford, Oxford, UK. Electronic address: jjboomsma@bio.ku.dk.
authors.forename: Jacobus J
authors.initials: JJ
authors.lastname: Boomsma
mesh_terms: D000222:Adaptation, Physiological / Q000235:genetics*; D000818:Animals; D005075:Biological Evolution; D057890:Epigenomics / Q000266:history; D049673:History, 20th Century; D008513:Medicine in Literature / Q000266:history; D008954:Models, Biological; D012641:Selection, Genetic