Eckart SchumannDr. Eckart Schumann is a physical oceanographer by training, and has published more than 70 papers in the international scientific literature. His interests cover other aspects of science and in particular also humanity's place on our planet and in te cosmos. He has retired from Nelson Mandela University, but continues with selected environmental interests, while he has also completed more than 50 marathons and ultra-marathons. Read More Read Less