Accidents, fires, strokes and other calamities. These are things that the emergency services encounter on a regular basis, but always arriving on time and ensuring that you have ambulances to ferry patients from one hospital to another can be a logistical nightmare. Mathematician Dr Pieter van den Berg has developed models for optimising the logistics of emergency response services. He was awarded his doctorate at the EEMCS faculty on 6 June for his work. The engineer developed a model for optimal distribution of fire engines within a given security region. In Norway and Canada he developed models for air ambulance services.