alexander graham bell was a scientist,inventor and a very close friend of helen.
he was a philanthropist and was always eager to help the deaf and blind.he was the one who guided helens parents and told them about perkins institute for the blind.he was a kind hearted person and guided helen during her tough times. even when she couldn't understand language dr alexander made her very comfortable around him.he became her tour guide in the world fair.he gave her a lot of knowledge.helen had very fond memories of him.he is the kind of friend one should have in their life