You may not know the first name, but the last name is synonymous in Rock & Roll. George Young, older brother of Angus and Malcom of AC/DC passed away today.

As a member of the Easybeats in the 1960's, Young had and the band had a hit single with "Friday On My Mind." He later when on to produce AC/DC's first five albums with then lead singer Bon Scott. He later went on to produce other albums with the band and Brian Johnson including "Blow Up Your Video" and "Stiff Upper Lip."

There was no cause of death at this time, George Young was 70.