Dr. Andrew Lerwill is a research scientist, optical engineer and professor. He has worked at the Image Permanence Institute, was a postdoctoral fellow at the Getty Conservation Institute and a research scientist at the Tate Gallery in the UK. He has a BSc in Physics from the University of Hertfordshire, an MSc in Applied and Modern Optics from Reading University and his PhD dissertation "Micro-fading Spectrometry: an Investigation into the Display of Traditional Watercolour Pigments in Anoxia" was published in 2011 at the Nottingham Trent University. His research interests has included the use of diverse technologies to measure, predict and control photochemical damage to cultural heritage, which is a subject on which he publishes and consults. Most recently he has taught at the University of the Bahamas, Ave Maria University and the University of Miami.