What is the nationality of the person who researched "Underground"?
Julian Assange Julian Paul Assange ( ; born Julian Paul Hawkins, 3 July 1971) is an Australian computer programmer and the founder of WikiLeaks, an organisation which he founded in 2006. He has won accolades including the Sam Adams Award and Martha Gellhorn Prize for Journalism.
Timothy Ballard Timothy Ballard is the founder and CEO of Operation Underground Railroad (O.U.R.) and the author of several books. He organizes activities on the national and international level to stop child trafficking. Hundreds of trafficking victims have been rescued by Tim Ballard and Operation Underground Railroad. They have also assisted in the arrest of over 300 traffickers.