David Armstrong-Jones, 2nd Earl of Snowdon

David Albert Charles Armstrong-Jones, 2nd Earl of Snowdon, was styled as Viscount Linley until 2017. He is known professionally as David Linley. 
Linley is an English furniture maker, a former chairman of the auction house Christie's UK, and nephew of Queen Elizabeth II. He is the son of Princess Margaret and Antony Armstrong-Jones, 1st Earl of Snowdon. 
He makes bespoke (individually made to order) furniture, upholstery, and interior design products. They are neoclassical in appearance and in the use of inlaid woods. He has written numerous books and lectured around the world.