The task of illustrating an overillustrated city fell to Kathy Ryan, who receives an editing credit on the cover of what is the magazine’s first “photography issue” in many years. Alongside Mr. Khan, five other London-based artists and photographers are featured, including Mark Neville, Chris Levine, Nadav Kander, Gareth McConnell and Stephen Gill, who provided a series of found portraits of couples kissing at their weddings, culled from a collection of 9,000 negatives he bought on eBay.