Prophets, Seers & Sages: The Angels of the Ages is the second studio album by English psychedelic folk band Tyrannosaurus Rex. It was released on 1 November 1968 by record label Regal Zonophone.

T. Rex were an English rock band, formed in 1967 by singer-songwriter and guitarist Marc Bolan, who was their leader, frontman and only consistent member. Though initially associated with the psychedelic folk genre, Bolan began to change the band's style towards electric rock in 1969, and shortened their name to T. Rex the following year. This development culminated in 1970 with their first hit single "Ride a White Swan", and the group soon became pioneers of the glam rock movement.