Silvio Gesell                                                                            

  E.C. Riegel

  Margrit Kennedy                                         

  Paul Grignon                                                                              

  Richard Douthwaite                                       

  Nicole Foss                                                                             

  Thomas Greco                                                               

  Alan Rosenblith                                                                               

  Bernard Lietaer                                                  

  Bill Still                                                                                              

  Victoria Grant                                                                               

  Michael Kumhof                                                                          

  Ellen Brown