Who were helmholtz and bernard in Brave new world?

Bernard Marx was an Alpha Plus Psychiatrist that was rejected by his own society because he was considered weird fro spending time alone and he was also too short for a alpha plus.
He dated Lenina and together they go to The reservation to meet John.

Helmholtz is a friend of Bernard. He is a propaganda writer. Being conditioned in the brave new world society, he still dislikes the ideas that the World State expresses. He wrote a poem which is dangerous in the World State's mind. He befriends John and together they talk about Shakespeare.

- There is a lot more to these characters, but I won't give away the ending of the story for you.