He was the principal of Cambridge School for the young ladies. he was an efficient teacher .it was he who aroused Helen's interest in history and literature. he was extremely affectionate towards Helen. During Helen's examinations, he would read out the papers using manual alphabet and afterward read out what she had written so that she could correct her answers.
However.  difference of opinion between Mr. Gilman and Helen regarding her studies caused them to separate. Mr Gilman felt Helen was overexerting herself in studies. Helen, who was keen to go to college with her class, disagreed with him. Helen pulled away from Cambridge and carried on her preparation under private instructors .