sentences:  Before D-Day he was regularly in the air to advise on camouflaging the build-up of forces.In November 1944 together with a colleague, he set up and ran a new camouflage training school at Scottish Command, Edinburgh.For the next few years after demobilisation, he spent much of his time as a visiting lecturer in lettering, heraldic design and penmanship at Cambridgeshire College of Arts and Technology, The Central School of Arts and Crafts, London, and Hampstead Garden Suburb Institute (the latter until 1973).