born Kent 1867, died Godalming 1954
began training at Heronden Hall and other gardens before going to Cambridge Botanic Garden. He then proceeded to Kew in 1891 where he became subforeman in charge of the Fern Department. In 1893 he moved to RBG Edinburgh to become foreman of the Glass Department, eventally becoming Assistant Head Gardener and then Curator. In 1931 he became Director of the Royal Horticultural Society's Gardens at Wisley.
Born near Callander and graduated in medicine at the University of Edinburgh. He became a physician, and succeeded Roxburgh briefly at the Calcutta Botanic Garden, but returned to Scotland to establish his right to be head of Clan Buchanan. Francis Hamilton (né Buchanan) changed his name to “Hamilton” to fulfil the requirements of a legacy. Buchanan Hamilton contributed greatly as a botanist, zoologist and geographer in India. He was the first botanist to see Pinus excelsa and Juniperus recurva.