How Are You Related to Meryl Streep? Author A.J. Jacobs Will Show You at the World's Largest Family Reunion Ever
Bestselling author A.J. Jacobs is building the biggest family tree ever, and he’s inviting all of his newfound relatives – 240 million so far! – to a reunion on June 6, 2015. (Go to globalfamilyreunion.com to join and get tickets.) Each month he interviewed one of his famous cousins for PEOPLE. Below, he sums up the experience as he looks ahead to the event at the New York Hall of Science and its grounds.