In The Beatles Anthology DVD, he described his first encounter with George Harrison behind the school's air-raid shelters.

This great mass of shaggy hair loomed up and an out-of-breath voice requested a quick drag of my Woodbine, Aspinall said.

It was one of the first cigarettes either of us had smoked. We spluttered our way through it bravely but gleefully.

[…]

Mr Aspinall died at the Memorial Sloan-Kettering Cancer Center in New York City.

It's understood he was suffering from lung cancer.