V.Gordon -> W.Bohm -> J.Leeuwen -> S.Zaks -> Erdos V.Gordon -> D.Whitley -> Y.Malayia -> I.Koren -> Erdos V.Gordon -> J.Bieman -> Y.Malayia -> I.Koren -> Erdos -> A.Melton -> M.Erne -> Erdos -> P.Srimani -> S.Hedetniemi -> Erdos -> W.Goddard -> ErdosFor more information, see the Erdos number project.