The Luddites Yes, that is the correct spelling. The word originates from a 19th century textile workers in England, who rioted because they opposed the automation of their jobs -- today the word refers to anyone who opposes technological change.

The Luddites - here's a compact history from England's SchoolNet.

From the University of Colorado - more references than you can shake a stick at!

A Google Search - OK, go ahead, shake your stick!