Introduction: writing about twentieth century geology, D R Oldroyd
Geology: from an earth to a planetary science in the twentieth century, U Marvin
From graphical display to dynamic model: mathematical geology in the earth sciences in the nineteenth and twentieth centuries, R J Howarth
Norman Levi Bowen (1887-1956) and igneous rock diversity, D A Young
Metamorphism today: new science, old problems, J L R Touret & T G Nijand
Metamorphism and thermodynamics: the formative years, B Fritscher
Arthur Holmes' unifying theory: from radioactivity to continental drift, C L E Lewis
Russian geology and the plate-tectonics revolution, A G Ryabukhin & V E Khain
Plates tectonics, terranes and continental geology, H E Le Grand
Marie Tharp, oceanographic cartographer, and her contributions to the revolution in the earth sciences, C Barton
From terrestrial magnetism to geomagnetism: disciplinary transformation in the twentieth century, G A Good
Sedimentology: from single grains to recent and past environments - some trends in sedimentology in the twentieth century, E Seibold & I Seibold
'As chimney-sweepers, come to dust': a history of palynology to 1970, W A S Sarjeant
Collecting, conservation, and conservatism: late twentieth-century developments in the culture of British geology, S J Knell