Paul McCartney and George Harrison met as teenagers and would go on to perform in one of the biggest bands in the world together. McCartney encouraged John Lennon to accept Harrison into his band, The Quarrymen. Harrison looked up to McCartney, but the latter said it was difficult to view his younger bandmate as an adult, even as they aged. This would later create tension in The Beatles.McCartney and Harrison met as students at the Liverpool Institute. Though McCartney was in the grade above Harrison, they rode the bus together as they lived near one another. During the lengthy trips to school, they bonded over their mutual love of music.
Source: Emma McKee