Digging Deeper Into Vivian Maier’s Past

Who was Vivian Maier?

Ann Marks, who spent months researching the upbringing of the Chicago nanny who is now heralded as a master of street photography, still doesn’t have an answer. But Ms. Marks — who has no background in photography and started researching Maier only after seeing a documentary about her life — has learned a great deal about Maier’s family history