Finding The London School Expert You Need: Rockefeller Grant Awarded For Global Tracking It will soon be easier to track the public health expert you need in around 190 different countries thanks to a Rockefeller Foundation grant awarded to the London School of Hygiene and Tropical Medicine to strengthen its network of more than 12 000 former students and staff all over the world. Alice Perry tells Peter Goodwin about their aims to improve the availability of public health experts particularly in low-income countries.