There has never been a proven case of Xenoglossy — someone speaking a known language that he/she had no prior knowledge of. The first task of a scientist is to answer the question, “Did this event actually happen?” There must be a painstaking examination of any possible prior exposure to the language. Here is the first scene from the video I developed about this fascinating case.
Next Credentials of Dr. Jon Lieff our science consultant on the case of Xenoglossy.