"… e full cost of their water "was the direct cause of the cholera epidemic," David Hemson, a social scientist sent by the government to investigate the outbreak, sa …"

"… original sources of water, polluted streams and rivers and the like," said David Hemson of South Africa's Human Sciences Research Council, Africa's largest a …"

"… could have been used to address the crisis, according to Edward Cottle and David Hemson. But the municipal government remained "impassive" in the wake of the outb …"