ul Prueitt, Glenn Tarbox, Nil Geisweiller and Cassio Pennachin (the co-authors of this book), Sibley Verbeck, Jeff Reed, Pejman Makhfi, Welter Silva, Lukasz Kaiser and more All those who have helped with the OpenCog system, including Linas Vepstas, Joel Pitt, Jared Wigmore / Jade O'Neill, Zhenhua Cai, Deheng Hu