Campayo is a Spanish writer and memory trainer who was born in Albacete in 1965. He possesses perhaps the fastest memory of all time, a talent evidenced by several world records he holds.

Campayo says he is capable of reading at speeds of 2,540 words per minute and at a peak rate of 4,000 words per minute.

He has written the book Aprende un idioma en 7 días and recently has published Desarrolla una mente prodigiosa, where he explains different memory techniques he employs.

https://es.wikipedia.org/wiki/Ram%C3%B3n_Campayo