Slide 1Slide 2Slide 3Slide 4Slide 5Slide 6Slide 7Slide 8Slide 9Slide 10Slide 11Slide 12A Brief History of Evolutionary ThoughtSlides to Accompany LectureAncient Greek philosopher Anaxiamander (611-547 B.C.) and the Roman philosopher Lucretius (99-55 B.C.) conceived of the idea that all living things were related and that they had changed over time. LucretiusAristotle’s Great Chain of Being(Scala Naturae)Bishop James Ussher(as painted between1640-1656) Bishop John Lightfoot(b. 1601- d. 1675) Creation as Calculated from The BibleEarly Scientific Challenges to Theological ViewsJohn Ray & SpeciesGalileo Galilei & Challenges to church authority (1564-1642)Carolus Linnaeus Systema Naturae 1758 Systematic ClassificationTHE LINNEAN HIERARCHY FOR HUMANS Phylum Chordata Class Mammalia Order Primates Family Hominidae Genus Homo Species Homo sapiensComte de Buffon (Georges Louis Leclerc)1707-1788 Early Ideas about EvolutionBaron Cuvier1769-1832 Jean-Baptiste Lamarck 1744-1829 Erasmus Darwin1731-1802Speices changes through time in response to environmentHeritable characteristicsCatastrophismEnvironment, but other mechanisms tooUnderstanding the Depth of TimeJames Hutton1726-1797Charles Lyell1797 - 1875Understanding PopulationsThomas Malthus1766-1834Charles Darwin & Alfred WallaceHow did they arrive at the same conclusions?Darwin and Wallace