Peter Ling is a Designer who was involved at Half Moon Theatre in the mid-seventies.
The photograph shows the St Joan of the Stockyards production team, with Peter, who designed the sets, standing second from the right.
[L to R, back row first] Unknown (possibly Chris Marsh or Robin Marsden), Guy Sprung (in bowler hat), Pam Brighton, Peter Ling, Gemma Jackson, Billy Colville, Unknown