Name
- Baker, Samuel White, Knight, explorer, 1821-18931
- Balagué, J., of Paris; correspondent of T. R. Jones, fl 18741
- 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
- Banks, Joseph, 1st Baronet, botanist, naturalist and patron of science, 1743-18201
- Barber, Samuel, clergyman; Fellow of the Meteorological Society, fl late 19th century1
- Barclay, Arthur, correspondent of G. R. M. Murray, fl 18911
- Barkas, Thomas Pallister, of Newcastle-upon-Tyne; correspondent of Spencer George Perceval, fl 18731
- Barrande, Joachim, geologist and palaeontologist, 1799-18831
- Barrois, Charles Eugène, French geologist and palaeontologist, 1851-19391
- Barrow, George, geologist, 1853-19321
- Bartlett, George, Vice-President, Devon and Cornwall Natural History Society, fl 18501
- Barwell, Richard, surgeon, 1826-19161
- Bary, Heinrich Anton, surgeon, botanist, mycologist, 1831-18881
- Bates, Henry Walter, naturalist, 1825-18921
- Baur, Georg Hermann Carl Ludwig, Professor, University of Chicago, fl 18941
- Bayer, Franz, of Prague, fl 18951
- Bazalgette, Joseph William, Knight, civil engineer, 1819-18911