Who is Chris Nielsen from What Dreams May Come: A Novel and what is their importance?

Chris Nielsen is the protagonist of the story. He is a middle-aged husband to Ann, whom he loves very much. Chris dies in a car accident and spends much energy trying to connect with Ann, who does not believe in anything after death. Finally, Chris asks for help and is then transported to Summerland where he meets his guide, his earth-cousin Albert. Through Albert, Chris learns about his new existence. Summerland is considered to be the third sphere of Heaven, and seems to be a place of contentment and peace.