David Brinley Clay Jones, OBE, (6 November 1923 – 4 July 1996), known as Clay Jones, was a horticulturist and broadcaster best known as the Chairman of the BBC Radio 4 programme Gardener's Question Time. At age 17, with a "rich baritone voice", he was invited to the D'Oyly Carte opera company. He came joint tenth with Carol Klein in the BBC poll for the nation's all-time favourite gardener. He was appointed OBE in the 1990 Birthday Honours.