Wikipedia 10K Redux by Reagle from Starling archive. Bugs abound!!!
An unnamed brakeman working on the TaggartComet. (His name may be revealed later in the book). DagnyTaggart hears BrakemaN whistling the theme of a concerto. Whe she asks him what piece it's from, he says HalleysFifthConcerto. When Dagny points out RichardHalley only wrote four concertos, BrakemaN claims he made a mistake and he doesn't recall where he heard the piece. * Appearances in AtlasShrugged Part 1, Chapter 1, section 2 (AtlasShrugged112) Part 1, Chapter 1, section 3 (AtlasShrugged113)