Fischer 1997a:147 ff Despite the fact that both scripts were undeciphered (as they are to this day), separated by half the world and half of history ( 19000 kilometers and 4000 years), and had no known intermediate stages, Hevesy's ideas were taken seriously enough in academic circles to prompt a 1934 Franco-Belgian expedition to Easter Island led by Lavachery and Métraux to debunk them (Métraux 1939).