There was an explosion, and a watchman was injured. An important clue would be the official cause of death. I went to City Hall to get the death certificate. Absorption of toxins. Hypertensive HT disease.
Acute nephritis is severe inflammation of the kidneys.
He breathed toxic fumes, and his kidneys were destroyed. It was not a few days before his death, as Ned Jr. remembers, but three months earlier. I went to the library again, put on the microfilm roll for February 1937, and cranked it to Sunday the 14th. Several Others Bruised in Two Explosions. Captain Humphrey was held for treatment at Haymarket Relief Hospital.