Question:
Which employer did Eliakim Hastings Moore work for in Jul, 1887?

Context:
 Eliakim Hastings Moore works for Northwestern University from Jan, 1889 to Jan, 1892. 
 Eliakim Hastings Moore works for University of Chicago from Jan, 1892 to Jan, 1931. 
 Eliakim Hastings Moore works for Yale University from Jan, 1887 to Jan, 1889.

Answer:
Yale University