Botanist and horticulturist. Assistant in Joseph Banks’s library and herbarium, 1819. Garden assistant secretary, Horticultural Society of London, 1822–6; assistant secretary, 1826–41; vice-secretary, 1841–58; honorary secretary, 1858–62. Lecturer on botany, Apothecaries’ Company, from 1836. Professor of botany, London University (later University College, London), 1829–60. Horticultural editor of the Gardeners’ Chronicle from 1841. FRS 1828.
Sources: R. Desmond 1994, DSB ODNB. (See the bibliography for full references to sources)