Jan Zalasiewicz is a field geologist, stratigrapher, and palaeontologist formerly with the British Geological Survey and now at the University of Leicester, United Kingdom. His research covers geological processes and environmental change from the Precambrian to the present day, with particular interests in the early Palaeozoic and the late Cenozoic, and in present-day and future geological change. He currently chairs the Anthropocene Working Group of the International Commission on Stratigraphy.
Immigration: who should control our borders?
"Although 'battle' suggests destruction, these were some of the most constructive debates I've taken part in. This was civilised conflict in the best sense of both words."
Julian Baggini, author, Welcome to Everytown: A Journey into the English Mind, and The Ego Trick