Terry Moe, a professor of political science at Stanford University, thinks Mr Draper should have opted for a limited programme for poor children.

ECONOMIST: V-day for vouchers?

Gerald Draper and his colleagues at the University of Oxford, and John Swanson of National Grid Transco, a power-transmission company, have looked at the distribution of childhood cancer along the power lines of the national electricity grid in England and Wales.

ECONOMIST: Power lines and cancer

Tim Draper, namesake of the venture capital firm Draper Fisher Jurvetson, came to Wayne State University in Michigan today for Techonomy: Detroit , where he gave a talk on the next generation of entrepreneurs.

FORBES: Tim Draper Live From Detroit: On Next-Gen Entrepreneurs