Arthur Henry Reginald Buller

Arthur Henry Reginald Buller (August 19, 1874 – July 3, 1944) was a British/Canadian mycologist. He is mainly known as a researcher of fungi and wheat rust.

Born in Moseley, Birmingham, England, he received a B.Sc. from Queen's College, Taunton in 1896 and a Ph. D. in botany from the University of Leipzig in 1899. From 1901 to 1904, he was a lecturer in botany at University of Birmingham. He came to Canada in 1904 to become the first professor of botany and geology at the University of Manitoba. He served as Head of the botany department until his retirement in 1936.

He was elected to the Royal Society of Canada in 1909 and became its president in 1927. In 1929, he was awarded the Royal Society of Canada's Flavelle Medal and in 1937 he was elected a fellow of the Royal Society.

He also wrote limericks, some of which were published in Punch.

He was awarded honorary degrees from the University of Saskatchewan, University of Calcutta, University of Manitoba, and University of Pennsylvania.

The Buller Building at the University of Manitoba, built in 1932, is named in his honour.