Graham Marsh is an art director, illustrator and writer. He is the co-author and art director of many ground-breaking books including The Cover Art of Blue Note Records Volumes 1 and 2, East Coasting and California Cool all published by Collins & Brown.

Glyn Callingham runs the legendary Ray's Jazz Shop in London. He is co-author of The Cover Art of Blue Note Records Volumes 1 and 2, East Coasting and California Cool. He contributes to several jazz magazines and is a walking encyclopaedia on jazz of the fifties and sixties.