He was a telecoms engineer by day – and documented the Scottish city’s leather scene by night. Now the 79-year-old has opened his erotic archives and received his first ever solo exhibitionWhat is the story behind John Wood’s photographs?

He was a telecoms engineer by day – and documented the Scottish city’s leather scene by night. Now the 79-year-old has opened his erotic archives and received his first ever solo exhibitionWhat is the story behind John Wood’s photographs?