SCIENTISTS
'(<a href="http://www.j-archive.com/media/2011-12-29_DJ_12.jpg" target="_blank">Sarah of the Clue Crew hovers over Rio de Janeiro, Brazil in a helicopter.</a>)  To switch on floodlights for Christ the Redeemer's dedication in 1931, <a href="http://www.j-archive.com/media/2011-12-29_DJ_12a.jpg" target="_blank">this</a> radio pioneer sent shortwave signals from Naples'
Marconi