Name
- Balfour, Isaac Bayley, Knight, Professor of Botany, 1853-19221
- Baltzer, Richard Armin, mineralogist; university teacher, 1842-19131
- Banks, William Hartland, High Sheriff of Radnorshire; plant collector; son of R. W. Banks, 1867-19301
- Batalin, Aleksandr Fedorovich, Director, Imperial Botanic Garden, St Petersburg, 1847-18961
- Belinfante, L L, Assistant-Sec Geological Society1
- Bell, Francis Jeffrey, naturalist1
- Benson, Edward White, Archbishop of Canterbury1
- Benson, Mary, née Sidgwick wife of Archbishop E W Benson1
- Bertrand, Charles Eugène, French botanist1
- Bertrand, Marcel Alexandre, French geologist1
- Bessey, Charles Edwin, American botanist1
- Birkbeck, Edward, 1st Baronet, politician, 1838-19071
- Birkbeck, Robert, brother of Sir E Birkbeck Baronet1
- Blackwood, Frederick Temple, 1st Marquess of Dufferin and Ava, diplomat, 1826-19021
- Blanford, William Thomas, geologist1
- Blytt, Axel Gudbrand, Norwegian botanist1
- Bonney, Thomas George, clergyman, fl 1890-19031
- Boscawen, Evelyn Edward Thomas, 7th Viscount Falmouth, army officer, 1847-19181
- Boulger, George Edward Simonds, naturalist1
- Boyd, Andrew Kennedy Hutchinson, Reverend author1