Who is bishop brook

In the autobiographical novel, The Story of my Life, by Helen Keller, she writes often about Bishop Brooks. He is an overly righteous man who believes that he is one of the people born on this earth to help people , whenever and wherever they require it. Bishop was man of god. He was an Ideal Bishop and an ideal bishop was man of god. Bishop Brooks was a true preacher and a noble soul. He was a spiritual influence for Helen. The bishop is a very wise man. He is true to his living as a bishop and he treats his parish like a family. He is very kind, gentle and helpful, which is sometimes taken advantage of by the people. He was also a genius man. He was also a friend of who has teaches her all about God and religion, Helen recounts her first meeting with Bishop Brooks who taught her no dogma or creed but. 
Bishop was generous and altruistic. Helen enjoyed his company because he always gave her something meaningful to ponder over.. bishop brook  was in Helen words, one among many of the "man of genius " with whom she had the pleasure of acquaintances . as a child Helen used to love sitting  on his knee and clasping the great hand in her own as miss Sullivan spelled the beautiful words about god and spiritual world. she would listen with a wondrous delight of a child, her spirit could not reach up to his but he give her a real sense of joy in life.