Tanya Doherty, South African Medical Research Council
Sanders was not afraid to challenge and speak out about sensitive and difficult issues, to people in senior positions of power - and when he did, they sat up and listened.
Sites like Agbogbloshie provides a valuable service. They offer opportunities for job creation, profit and cleaning up environments littered with waste.
With limited resources and inadequate infrastructure, African universities appear to be under tremendous strain. But some are beating the odds and getting it right.
The South African government is going ahead with the National Health Insurance scheme but has yet to detail how it is to be funded. What seems certain is that taxpayers will foot the bill.
Even a cursory glance at earlier industrial revolutions will show that they have not been associated with the interests of the working or underclasses.
Dean Faculty of Health Sciences and Professor of Vaccinology at University of the Witwatersrand; and Director of the SAMRC Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand
Principal Medical Scientist and Head of Laboratory for Antimalarial Resistance Monitoring and Malaria Operational Research, National Institute for Communicable Diseases
Professor and Programme Director, SA MRC Centre for Health Economics and Decision Science - PRICELESS SA (Priority Cost Effective Lessons in Systems Strengthening South Africa), University of the Witwatersrand