American botanist. Fisher Professor of natural history, Harvard University, 1842–73. Wrote numerous botanical textbooks and works on North American flora. President of the American Academy of Arts and Sciences, 1863–73; of the American Association for the Advancement of Science, 1872. Regent of the Smithsonian Institution, 1874–88. Foreign member, Royal Society of London, 1873.
Sources: DAB DSB J. L. Gray ed. 1893, Record of the Royal Society of London. (See the bibliography for full references to sources)