Individuals within this group included Francis Place (1771–1854), George Grote (1794–1871), Joseph Parkes (1796–1865), John Arthur Roebuck (1802–1879), Charles Buller (1806–1848), John Stuart Mill (1806–1873), Edward John Trelawny (1792–1881), and William Molesworth (1810–1855).
American Philosophical Society | Philosophical Transactions of the Royal Society | American Philosophical Association | Philosophical Magazine | New Radicals | Philosophical Investigations | The Philosophical Quarterly | Rules for Radicals | Philosophical Transactions of the Royal Society B | Philosophical Fragments | American Philosophical Quarterly | Yorkshire Philosophical Society | Philosophical Society of Washington | Philosophical Inquiries into the Essence of Human Freedom | Perpetual Peace: A Philosophical Sketch | North Texas Philosophical Association | Italian Radicals | Encyclopedia of the Philosophical Sciences | Derby Philosophical Society | Cambridge Philosophical Society | A Philosophical Enquiry into the Origin of Our Ideas of the Sublime and Beautiful |