Faculty of Medical Sciences

Staff Profile

Emeritus Professor Brian Diffey

Emeritus Professor of Photobiology


Roles and Responsibilities

Retired and living in Devon


BSc, AKC, PhD, DSc

Previous Positions

Professor of Medical Physics
Clinical Director, Regional Medical Physics Department, Newcastle upon Tyne Hospitals NHS Trust


Research Interests

Skin photobiology, particularly in the measurement of human exposure to natural and artificial ultraviolet radiation, its effects in normal and diseased skin, and environmental and behavioural aspects of sun exposure.

Strategies for sun protection, especially the use of topical sunscreens - devised the Boots UVA star rating used in the UK and the broad spectrum index adopted by the FDA in the US. 

Development of mathematical models for estimating plasma levels of vitamin D from diet and sun exposure.