Remove the spaces from the following sentence: In 1964 he moved to the Institut des Hautes Etudes Scientifique at Bures-sur-Yvette. However this prompted a change in direction as he explains in :
In1964hemovedtotheInstitutdesHautesEtudesScientifiqueatBures-sur-Yvette.Howeverthispromptedachangeindirectionasheexplainsin: