Jeffrey Kluger is the author of several books, including Apollo 13 (originally published as Lost Moon ) and The Sibling Effect . As a science editor and senior writer for Time for more than two decades, he has written over forty cover stories for the magazine. He lives in New York City. Follow Jeff on Twitter @jeffreykluger.

Ruby Shamir (www.rubyshamir.com) worked at the White House for three and a half years, two of which she served in the First Lady's office. Later, she led Hillary Rodham Clinton's New York Senate office. Ruby Shamir now works as a writer and literary researcher in the Bronx, NY, where she lives with her husband and three children. Follow Ruby on Twitter @ruby_shamir.