Original: The Yardbirds recorded most of their Top 40 hit songs during Beck's time with The Yardbirds, which was short, allowing him only one full album, Yardbirds which became known as Roger the Engineer, released in 1966.
Simplified: He became famous when he replaced Eric Clapton as the guitarist for The Yardbirds. After leaving The Yardbirds in 1966 Beck went on to work with his own group and with other musicians.