Question: Who died first, Daniel Leavitt or Mary Ryan (Academic)?
Sentence (from "Daniel Leavitt"): Daniel Leavitt (November 16, 1813 – July 27, 1859) was an early American inventor who, with his partner Edwin Wesson, patented the first revolver after Samuel Colt's, and subsequently manufactured one of the first American revolving pistols.
Relevant evidence: Yes