Donald Bannerman Macleod (21 July 1887 â 8 March 1972) was a New Zealand molecular physicist.
Born at Doyleston, near Christchurch, in 1887, Macleod studied at Canterbury University College, graduating with an MA with first-class honours in chemistry in 1910.
Following his graduation, Macleod was appointed as a lecturer in physics at Canterbury and worked there until his retirement in 1953 as an associate professor. He had a research collaboration with Professor Coleridge Farr from 1911 to 1936. In 1922 Macleod was awarded a DSc from Canterbury University College.
His work covered the viscosity of sulphur and the internal pressure of liquids.
He was elected a Fellow of the Royal Society of New Zealand in 1935 and in 1940 he was awarded the society's Hector Medal for his work in the field of molecular physics.