Question: Who died first, Dewitt Clinton Cregier or Dorothy Evans (Trade Unionist)?
Sentence (from "DeWitt Clinton Cregier"): Biography entitled:" The New York Orphan Who Built Chicago" subtitled:" The Story of DeWitt Clinton Cregier A 19th- Century American Engineering Genius" published October 2011, author Gloria Cregier Emma, one of Cregier's last surviving two grandchildren.
Relevant evidence: No