Claim: After graduating from Birmingham University with a BSc degree in Zoology and a PhD in Neurocommunications, David Anthony Purser worked for over 35 years on fire toxicity and human evacuation behavior.
Evidence: He graduated from Birmingham University with a BSc degree in Zoology in 1966, and a PhD in Neurocommunications in 1969. Purser has worked for over 35 years on fire toxicity and human evacuation behavior.