'Africa Forms the Key': Alex Du Toit and the History of Continental Drift

1 'In the Beginning': Geology in South Africa and the Early Years of Alex Du Toit2 'A World in a Grain of Sand': A Brief History of Geology and the Origins of Continental Drift Theory3 'Bedrock': Geology and the Shaping of a Nation4 'On the Shoulders of Giants': Early Drift Theorists5 'Looking through... the Keyhole of Nature': Du Toit and Early Continental Drift6 'And Yet It Moves': Du Toit's South American Journey7 'The Cradle of Humankind': A Pivotal Decade for Science in South Africa8 'A Frozen History of the Past': Antarctica, Gondwana and an Unfulfilled Dream9 'Our Wandering Continents': Du Toit's Definitive Work, Controversy and Consensus10 'Pale Blue Dot': Conclusions