Question:
Which employer did Percy John Daniell work for in Oct, 1920?

Context:
 Percy John Daniell works for University of Liverpool from Jan, 1911 to Jan, 1912. 
 Percy John Daniell works for Rice University from Jan, 1914 to Jan, 1923. 
 Percy John Daniell works for University of Sheffield from Jan, 1923 to Jan, 1946.

Answer:
Rice University