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,
Bertrand Russell the war on the United Kingdom's side resulted in six months' imprisonment in Brixton prison (see "Bertrand Russell's views on society") in 1918. He later said of his imprisonment: Russell was reinstated to Trinity in 1919, resigned in 1920, was Tarner Lecturer 1926 and became a Fellow again in 1944 until 1949. In 1924, Bertrand again gained press attention when attending a "banquet" in the House of Commons with well-known campaigners, including Arnold Lupton, who had been a Member of Parliament and had also endured imprisonment for "passive resistance to military or naval service". In 1941, G. H. Hardy wrote