Name
- Callcott, Maria, née Dundas, formerly Graham, traveller and author, wife of Sir Augustus Wall Callcott, 1785-18421
- Candolle, Augustin Pyramus de, Swiss botanist, 1778-18411
- Casström, Samuel Nicolaus, KPS; Councillor of Commerce at Stockholm1
- Cesati, Vincentio1
- Christy, W-, Quaker1
- Clarke, William Branwhite, geologist1
- Clellond, William1
- Cunningham, Allan, Botanist, of N S Wales1
- Cuvier, Georges Léopold Chrétien Frédéric Dagobert, Baron1
- Delile, Alire, botanist, 1778-18501
- Demonville, Antoine Louis, printer, b 17791
- Deppe, Ferdinand, correspondent of Robert Brown, fl 18291
- Desfontaines, René Louiche, botanist, 1750-18331
- Desvaux, Nicaise Augustin, botanist, 1784-18561
- Don, George, correspondent of Robert Brown, fl 1813-18371
- Douville, Jean Baptiste, explorer, 1794-18371
- Ehrenberg, Christian Gottfried, German naturalist and scientist, 1795-18761
- Ellis, Henry, Knight, Principal Librarian, British Museum, 1777-18691
- Erman, Georg Adolph, physicist and professor at the University of Berlin, 1806-18771
- Faraday, Michael, natural philosopher, scientific adviser, and Sandemanian, 1791-18671