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Mycologist
Born Orkney 1856; died Orkney 1939
Educated at Dollar Academy and the Edinburgh Collegiate School, Henry Halcro Johnston took a degree in medicine at Edinburgh University. While at university he played rugby for Scotland, gaining an international cap in 1877. He served in the Army Medical Department in Mauritius, Sudan, The North West Frontier and South Africa from 1881, rising to the rank of Colonel before retiring in 1913. He was re-employed during the First World War, working in hospitals in Gibraltar, Glasgow and York. With a wide range of scientific and botanical interests, he collected herbarium material and seeds throughout his military service around the world. On returning to Orkney in 1919 he was able to concentrate on the botany of the islands, meticulously collecting and documenting his collections, focusing particularly on the microspecies of Taraxacum and Hieracium. Some of his work was published in the Transactions of the Botanical Society of Edinburgh. He was an active member of the Orkney Natural History Society and responsible for organising the herbarium at the Stromness Museum. Most of his botanical collections and notes were bequeathed to the Royal Botanic Garden, Edinburgh.
Sources: R. Desmond ‘Dictionary of British and Irish Botanists and Horticulturalists); obituary folder
D.W.
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.
Hemsley began working at the Royal Botanic Gardens, Kew in1860 as an Improver before becoming their Herbarium's Assistant for India and then the Keeper of Kew's Herbarium and Library.
Born Perthshire 1927, died Ross-shire 2007
Douglas Henderson graduated BSc in botany from Edinburgh University in 1948, joining the civil service as a scientific officer in the Department of Agriculture and Fisheries that year. He moved to the Royal Botanic Garden as a senior scientific officer in 1951 and was head of the non-flowering plant collections until 1970. He was library supervisor from 1961 to 1970 and also lectured in botany and plant physiology. A mycologist by training, he was involved in the start of the British Fungus Flora project and co-authored a book on British Rust Fungi. He became an authority on British flora, especially the plants of the Highlands. Douglas Henderson was appointed Regius Keeper of the Royal Botanic Garden in 1970. His time in office saw extensive developments in the Garden including completion of new glasshouses, a new alpine area and an expanded range of exhibition houses. The wider estate also grew with the acquisition of Dawyck Botanic Garden in Peeblesshire. During his period of office herbarium specimens increased by 250,000 to 1.8 million, including collections from an expanding programme of worldwide botanical explorations. And there was a rapid expansion of the library with a doubling of stock to 75,000 volumes and a developing international reputation; he personally led the introduction of the first electron microscope. Inverleith House in the centre of the gardens was re-opened as an exhibition space and Henderson was active in encouraging public engagement and growing educational links. Towards the end of Henderson’s term of office in 1986 the Royal Botanic Garden gained new status as a non-departmental public body accountable to a Board of Trustees. Douglas Henderson was awarded the CBE in 1985 and retired in 1987, moving to Wester Ross where initially he took on the role of administrator of the National Trust gardens at Inverewe.
Sources: Deni Bown, ‘4 Gardens in One’; obituary folder
D.W.
http://www.independent.co.uk/news/obituaries/douglas-henderson-twelfth-regius-keeper-of-the-royal-botanic-garden-edinburgh-760076.html