 Many others have received Ummo letters, including French scientist Jean-Pierre Petit, a researcher at the CNRS.In June 2002, a scientist with the pseudonym Jean Pollion released, in French, his book "Ummo, de vrais extraterrestres", or, "Ummo, real extraterrestrials" in which he analyses the "Ummite" thoughts and language.He shows that the Ummo language is different from any other language we know in that it is a "functional" language.