Painter, draughtsman and teacher. Born at Kettering, Northamptonshire, he studied at Wyggeston Art School, Leicester, 1890–2, in the studio of Walter Gash, Kettering 1895–1902, Wimbledon School of Art, Académie Julian, in Paris, 1901, then in the studio of Sir Alfred East for many years. He exhibited at the RA and extensively in the provinces. He published books on art education and practice. Work held by Herbert Art Gallery and Museum, Coventry, and the Alfred East Gallery, Kettering. For some time Hawthorn was president of the Coventry Art Guild. Was for a period chief assistant art master at Loughborough College of Art. Lived in Coventry.