Photographer Lorenzo Vitturi assembled this collage of products sold at the street market of Lagos Island, Nigeria, including the T-shirt that gave him the title for his new book: "Money Must Be Made."
Nirma, 16, plays with her friends. She is married but still lives with her parents and talks to her husband on the phone sometimes. She is nervous about the duties she'll have to take on when she does move in with her husband. At the moment, she hopes to graduate high school and eventually become a doctor.
Betsy Levy Paluck is a psychology professor at Princeton University. She ran a year-long experiment in Rwanda to see whether radio soap operas could be used to reduce prejudice.
John D. & Catherine T. MacArthur Foundation
Chef Douglas McMaster is committed to a "zero waste" ethos in his restaurants. Here, he plates up his creations at Silo, his flagship restaurant, in Brighton, England, about an hour south of London.
Xavier Buendia/Courtesy of Doug McMaster