Michael Behe developed his ideas on the concept around 1992, in the early days of the 'wedge movement', and first presented his ideas about "irreducible complexity" in June 1993 when the "Johnson-Behe cadre of scholars" met at Pajaro Dunes in California.</ref> He set out his ideas in the second edition of "Of Pandas and People" published in 1993, extensively revising Chapter 6 "Biochemical Similarities" with new sections on the complex mechanism of blood clotting and on the origin of proteins.Introduction: Of Pandas and People, the foundational work of the 'Intelligent Design' movement by Nick Matzke 2004,Design on Trial in Dover, Pennsylvania by Nicholas J Matzke, NCSE Public Information Project Specialist</ref>