Question: What is the date of death of E. C. Spykman's husband?
Sentence (from "Nicholas J. Spykman"): Nicholas John Spykman (pronounced "Speak-man", 13 October 1893 – 26 June 1943) was an American political scientist who was one of the founders of the classical realist school in American foreign policy, transmitting Eastern European political thought to the United States.
Relevant evidence: Yes