15 About the Author

Dr. Roger Diamond studied geology at the University of Cape Town, receiving his Master of Science in 1997, after which he worked in Australia as a gold exploration geologist and then a hydrogeologist for the Western Australian state government. After returning to South Africa in 2002, he worked for the Western Cape government and as a consultant for Environmental Science Associates in various aspects of environmental management, before returning to University of Cape Town in 2010 to study for a Doctor of Philosophy degree, which was awarded in 2014. He then moved to Pretoria where he lectures hydrogeology and geochemistry at the University of Pretoria, focusing his research on water quality and hydrochemistry, including work on nitrates, uranium, radon, and of course stable isotopes! He has been an active member of the Groundwater Division of the Geological Society of South Africa for many years, and takes part in several environmental and conservation actions, especially removal of invasive alien plants with the Mountain Club of South Africa. When not looking at rocks, he is out climbing up them.