Peter Kaufmann ( 1800-1869) was known as one of the " Ohio Hegelians", along with John Bernhard Stallo, Moncure Daniel Conway and August Willich. His 1858 book titled, The Temple of Truth, or the Science of Ever-Progressing Knowledge, discussed the process and formation of knowledge according to Hegel's dialectical method, and socialist utopian reform ideals for perfecting humankind.