Name
- Heywood, James, MP1
- Hill, Edwin, inventor1
- Hodgkinson, Eaton1
- Holtzapffel, Charles1
- Humboldt, Friedrich Heinrich Alexander, naturalist and explorer, 1769-18591
- Inglis, Robert Harry, 2nd Baronet, MP, 1786-18551
- Jeffreys, Julius1
- Jones, Richard, Reverend; economist1
- Kenyon, John, of Add MS 367151
- King, Augusta Ada, mathematician and computer pioneer, 1815-18521
- King, Joshua, President of Queens' College, Cambridge; of Add MS 371911
- King, William, Lord King, 1st Earl of Lovelace (1838)1
- Laing, Francis, Reverend1
- Landseer, Edwin Henry, Knight, animal painter, 1802-18731
- Larcom, Thomas Aiskew, of Add MS 371891
- Lardner, Dionysius, Reverend LLD, scientific writer1
- Lemon, Charles, 2nd Baronet Lemon of Carclew, politician and scientist, 1784-18681
- Leopold II, Grand Duke of Tuscany1
- Libri, Guglielmo, scientist, book collector, and thief, 1802-18691
- Locke, Robert, Captain1