From the mud-soaked frolics of Woodstock in August to the mayhem of Altamont in December, two landmark festivals 40 years ago encapsulated the best and worst of the hippie generation. By Sean O'Hagan

The Volkswagen is a panel van introduced in 1950 by German automaker Volkswagen as its second car model – following and initially derivi...

Explore Doing It For ME!'s 69 photos on Flickr!