Born in Chile in 1912, she was the first of three children of a French father, Andrew Lehmann, director of a mining company, and his Scots wife, Mary. She won a scholarship at 16 to study at the Slade School of Fine Art, London, specialising in portraiture under Alan Gwynn Jones and theatrical design under Vladimir Polunin, winning prizes in Life Painting, Composition and Theatrical design. Latterly she designed record cover for Argo Records and did television film work set design, murals and art direction. Although she did not win, she had a string of Emmy nominations. Olga painted three portraits: of Sable Colby (Stephanie Beacham), Jason Colby (Charlton Heston) and Conny Colby Patterson (Barbara Stanwyck). Olga painted many portraits, among them those of James Mason, Marlene Dietrich, Dirk Bogarde, Patrice Wymore, Terry Moore, Judith Anderson, Richard Todd and Audrey Hepburn. She designed the now iconic poster Big Brother is Watching You for the 1956 film of George Orwell’s “1984” using the face of her husband Carl Huson as a model for that of “Big Brother”.