Painter and draughtsman known initially for his still lifes, later for his many portraits, who studied at the Byam Shaw School, 1968–71, and at the Royal Academy Schools, 1971–4. He gained the Robin Guthrie Memorial Award for portrait drawing, the David Murray Landscape Studentship and a Silver Medal, the highest award for drawing. Hawker moved to Norwich, Norfolk, in 1974, an Elizabeth Greenshields Foundation Award enabling him to paint full-time for two years. He gradually achieved his ambition of living as a portraitist, with an impressive commissions list. This included Sir Greville Spratt, Lord Mayor of London, 1987–8, commissioned by the Worshipful Company of Ironmongers; Sir Alexander (Mike) Graham, Lord Mayor, 1990–1; Christopher Ballenden, master, the Worshipful Company of Bowyers; Nicholas Bomford, headmaster of Uppingham School; Robyn Parker, Miss Pears 1990–1, for Pears Soap; Sir Geoffrey Cass, chief executive of Cambridge University Press, 1972–92; The Hon.