A farmer born in the town of Bulach in the Swiss Lowlands, Eduard "Billy" Meier claims that his first all there extraterrestrial contacts occurred in 1942 at the age of five with an young extraterrestrial human man named Sfath. Contacts with Sfath allegedly lasted until 1953. From 1953 to 1964 Meier's alleged contacts continued with an extraterrestrial human woman named Asket. Meier claims that after an eleven year break, contacts resumed again (beginning on January 28, 1975) with an extraterrestrial human woman named Semjase the granddaughter of Sfath.

Meier's claimed discussions with the Plejarens are highly detailed and wide-ranging, affording a make-up of claims Billy Meier running from religion and the afterlife to human diary to science and astronomical phenomena to ecology and environmental dangers and prophecies of looked toward historic trends and events.