It means that he didn't talk to him or contact him much and weren't in a good father-son relationship
I believe cochlear implants since deaf people often read lips and watch hands which is both sign language and visual communication
i think deaf people would prefer getting together in person as well since it is easier to read lips and/or see signs
whilst cochlear implants not everyone will have them and they wont be bothered by it so thats why i'm saying Cochlear implants
sorry if im wrong...
Answer:
Whitman is among the most influential poets in the American canon, often called the father of free verse. His work was controversial in its time, particularly his poetry collection Leaves of Grass, which was described as obscene for its overt sensuality.