Charles Lyell
(1797-1875)
- Ibsen, Henrik
- St. Ignatius of Antioch
- St. Ignatius of Loyola
- St. Irenaeus of Lyons
- Irving, Washington
- James, Henry
- James, William
- Jay, John
- Jefferson, Thomas
- St. John of the Cross
- Johnson, Samuel
- Josephus, Flavius
- Joyce, James
- Julius Caesar
- Kafka, Franz
- Kant, Immanuel
- Keats, John
- Kempis, Thomas à
- Kepler, Johannes
- Khayyam, Omar
- Kierkegaard, Søren
- King Jr., Martin Luther
- Kipling, Rudyard
- Lao-Tzu
- Lavoisier, Antoine-Laurent de
- Lawrence, Brother
- Lawrence, D.H.
- Leibniz, Gottfried Wilhelm von
- Lenin, Vladimir Ilich "Nikolai"
- Lewis, C.S.
- Lincoln, Abraham
- Livy
- Locke, John
- London, Jack
- Longfellow, Henry Wadsworth
- Loyola, St. Ignatius of
- Lucian
- Lucretius
- Luther, Martin
- Lyell, Charles
- Lysenko, Trofim D.