Helmholtz Watson is a professor and a writer.
He has been what they call an "emotional engineer." He basically writes propaganda to help people remember and really internalize the basic values of their society. In addition, he teaches other people how to do the same work.
In the book, his job starts to get him down, though. He's really good at what he does, but he feels like the stuff he's writing has no soul to it. He wants to write poetry about real emotions, but he and the people in the society don't have any.