AC/DC: Four Decades of Big Riffs and Schoolboy Uniforms

AC/DC TImeline: 1970's - Backlstage

Photo: Mazel/Sunshine/Retna

AC/DC Timeline: 1975: Bon Scott in Recording Studio

Photo by Philip Morris / Dalle / Retna Ltd.

AC/DC Timeline: 1975: Cops Holding Back Fans

Photo by Philip Morris / Dalle / Retna Ltd.

AC/DC Timeline: 1976: AC/DC Posing Together

Photo by Peter Mazel / Sunshine / Retna Ltd.

AC/DC Timeline: 1976: Angus Young in Aisle

Photo by Peter Mazel / Sunshine / Retna Ltd.

AC/DC TImeline: 1976: band shot (whole)

Photo: Mazel/Sunshine/Retna

AC/DC Timeline: 1976: Members of AC/DC Pouring a Drink

Photo by Dick Barnatt / Redferns / Retna Ltd.

AC/DC Timeline: 1976: Performing

Photo by Michael Putland / Retna Ltd

AC/DC Timeline: 1977: Bon Scott Performing in Denmark

Photo by Jorgen Angel / Retna Ltd.

AC/DC Timeline: 1979: Performing on Shoulders

Photo by Amann / Dalle / Retna Ltd.

AC/DC Timeline: 1980: Angus Young Jumping On Stage

Photo by David Corio / Retna Ltd.

AC/DC Timeline: 1980: Angus Young On Stage

Photo by Michael Putland / Retna Ltd.

AC/DC Timeline: 1980: Angus Young Performing

Photo by Michael Putland / Retna Ltd

AC/DC Timeline: 1980: Angus Young Performing

Photo by Michael Putland / Retna Ltd

AC/DC TImeline: 1980: Posing Infront of a Fence

Photo by Klaus Kranz / Good Times / Vanit / Retna Ltd.

AC/DC Timeline: 1981: AC/DC Drinking

Photo by Tony Mottram / Retna UK

AC/DC TImeline: 1988: AC/DC Performing in London

Photo by Steve Double / Retna UK

AC/DC Timeline: 1990: Angus Young Playing Guitar

Photo by Jay Blakesberg / Retna Ltd.

AC/DC Timeline: 1991: Angus Young Shouting

Photo by Bob Leafe / Retna Ltd.

AC/DC Timeline: 1996: Angus Young Performing in San Francisco

Photo by Jay Blakesberg / Retna Ltd.

AC/DC Timeline: 1996: Posing With Instruments

Photo by Patrick Ford / Redferns / Retna Ltd.

AC/DC Timeline: 2000: AC/DC Leaving Handprints

Photo by Newsmakers

AC/DC Timeline: 2000: Performing in London

Photo by Debbie Smyth / Retna UK

AC/DC Timeline: 2003: AC/DC Accepting Award

Photo by Frank Micelotta/Getty Images

AC/DC Timeline: 2003: AC/DC Performing at the Rock and Roll Hall of Fame

Photo by Frank Micelotta/Getty Images

AC/DC Timeline: 2003: Angus Young and Brian Johnson On Stage in Munich

Photo by JOERG KOCH/AFP/Getty Images

AC/DC Timeline: 2003: Angus Young On Stage in Toronto

Photo by Donald Weber/Getty Images

AC/DC TImeline: 2008: Opener

Photo: Mazur / Getty

AC/DC Timeline: Early 1990's: Performing Infront of Cartoon Backdrop

Photo by Larry Busacca / Retna UK.