Colorado painter, illustrator and mapmaker Erick Ingraham on solving art directors’ problems, making it interesting for himself (“I’m known to make things more complicated than they might need to be”), spending eight years painting the Rockies’ western slope, working from his own photographs,...

London artist and mapmaker Stephen Walter on two decades of drawing and painting “the semiotic residues of humankind,” an invitation to map an Ivorian national park (and why you should wait for the dry season before attempting this), approaching six years of work on an NYC map, interpreting...

Manhattan writer and cartographer John Tauranac on his first maps of Midtown’s pedestrian passages, a public debate with Massimo Vignelli (“His geography was egregious”), working at a very different MTA (they used to have an aesthetics committee?), the “no improvements” made to the subway map...