Who is Dr. Henry Van Dyke from A Grain of Wheat and what is their importance? A_Grain_of_Wheat English & Literature Dr. Henry Van Dyke | A Grain of Wheat

Dr. Van Dyke is a meteorologist. Over the course of the story, Van Dyke has an affair with Margery Thompson. Described as an alcoholic, Van Dyke's life ends when he is killed by a train.