Name
- Austen, Nathaniel Laurence, naturalist1
- Austen, Robert Alfred Cloyne, geologist, 1808-18841
- Aymard, Auguste, Secretary of the Soc. Académique du Puy1
- Babington, Charles Cardale, Professor of Botany, Cambridge University, 1808-18951
- Bagg, Rufus Mather, of Johns Hopkins University, 1869-19461
- Baillon, Henri Ernest, botanist, physician, 1827-18951
- Baily, William Hellier, palaeontologist; of the British Geological Survey, 1819-18881
- Baker, Benjamin, Knight, civil engineer, 1840-19071
- Baker, John Gilbert, botanist, of Kew Gardens, 1834-19201
- Baker, Samuel White, Knight, explorer, 1821-18931
- Balagué, J., of Paris; correspondent of T. R. Jones, fl 18741
- Balard, Antoine Jérôme, chemist, 1802-18761
- Balfe, Lina, singer, 1808-18881
- Balfe, Michael William, Irish composer and singer, 1808-18701
- Balfour, Isaac Bayley, Knight, Professor of Botany, 1853-19221
- Balfour, John Hutton, Professor of Botany at Edinburgh University, 1808-18841
- Ball, Valentine, geologist, 1843-18951
- Ball, William Platt, author, 1844-19171
- Bandmann, Daniel Edward, actor, author and rancher, 1837-19051
- Banks, Joseph, 1st Baronet, botanist, naturalist and patron of science, 1743-18201