The Story of Philosophy was preceded by a number of pamphlets in the Little Blue Books series of inexpensive worker education pamphlets. They proved so popular they were assembled into a single book and published in hardcover form by Simon & Schuster in 1926. Philosophers profiled are, in order: Plato, Aristotle, Francis Bacon, Baruch Spinoza (with a section on Descartes), Voltaire (with a section on Rousseau), Immanuel Kant (with a section on Hegel), Arthur Schopenhauer, Herbert Spencer, and Friedrich Nietzsche. The final two chapters are devoted to European and then American philosophers. Henri Bergson, Benedetto Croce, and Bertrand Russell are covered in the tenth,
Immanuel Kant dilapidated and was demolished to make way for the mausoleum, which was built on the same location. The tomb and its mausoleum are among the few artifacts of German times preserved by the Soviets after they conquered and annexed the city. Today, many newlyweds bring flowers to the mausoleum. Artifacts previously owned by Kant, known as "Kantiana", were included in the Königsberg City Museum. However, the museum was destroyed during World War II. A replica of the statue of Kant that stood in German times in front of the main University of Königsberg building was donated by a German entity