Original sentence: It may have been proposed in 2001 by French geologist Jacques Collina-Girard, but a similar hypothesis was first published by the Spanish-Cuban investigator Georgeos Díaz-Montexano in an April 2000 issue of Spanish magazine Más Allá de la Ciencia (Beyond Science), and later in August 2001 issues of Spanish magazines El Museo (The Museum) and Año Cero (Year Zero).The origins of this hypothesis are disputed
Edited sentence: A hypothesis sometimes presented similar, in the web, is in fact quite different,and related to pseudo-archaeology,  was published by the Spanish-Cuban investigator Georgeos Díaz-Montexano in an April 2000 issue of Spanish esoteric magazine Más Allá de la Ciencia (Beyond Science), and later in August 2001 issues of Spanish magazines El Museo (The Museum) and Año Cero (Year Zero).This hypothesis was proposed in 2001 by French geologist Jacques Collina-Girard