Sophie Howarth is a writer, teacher, curator, and entrepreneur based in London. She was Curator of Public Programmes at Tate Modern and an Associate Curator for Artangel. She is coauthor, with Stephen McLaren, of Street Photography Now Stephen McLaren is a photographer, writer, and curator based in San Francisco. He is coauthor, with Sophie Howarth, of Street Photography Now. He also coauthored Photographers' Sketchbooks with Bryan Formhals.