Apparently you didn't get the reference.  http://en.wikipedia.org/wiki/John_Galt

The question posed through the 1957 novel series over and over again is, "Who is John Galt?"

Galt is acknowledged to be a philosopher and inventor; he believes in the power and glory of the human mind, and the right of the individual to use his/her mind solely for him/herself.

I found it quite interesting that a revolutionary coin was "coined" after a revolutionary thinker.