Where did Dr. Blackcreek's wife and daughter die according to the List of Unspeakable Fears?

The correct answer highlights a significant event in the narrative regarding Dr. Blackcreek's family. His wife and daughter died on the General Slocum, which was a tragic incident that occurred during a boating disaster in New York in 1904. This event not only serves as a pivotal moment for Dr. Blackcreek's character development, shaping his fears and experiences, but also reflects broader themes of loss and trauma within the story. The imagery and emotions tied to such a catastrophic moment deeply influence the plot and character motivations throughout the narrative. Understanding this context is crucial, as it not only explains Dr. Blackcreek's actions but also sets the stage for the unfolding story surrounding fear and personal loss.