Question:
Which employer did Otto Hahn work for in Sep, 1905?

Context:
 Otto Hahn works for Humboldt University of Berlin from Jan, 1907 to Jan, 1933. 
 Otto Hahn works for Cornell University from Jan, 1933 to Jan, 1933. 
 Otto Hahn works for McGill University from Jan, 1905 to Jan, 1906. 
 Otto Hahn works for University College London from Jan, 1904 to Jan, 1905.

Answer:
Question:
Which employer did Otto Hahn work for in Sep, 1905?

Context:
 Otto Hahn works for Humboldt University of Berlin from Jan, 1907 to Jan, 1933. 
 Otto Hahn works for Cornell University from Jan, 1933 to Jan, 1933. 
 Otto Hahn works for McGill University from Jan, 1905 to Jan, 1906. 
 Otto Hahn works for University College London from Jan, 1904 to Jan, 1905.

Answer:
user
McGill University
assistant
Question:
Which employer did Otto Hahn work for in Sep, 1905?

Context:
 Otto Hahn works for Humboldt University of Berlin from Jan, 1907 to Jan, 1933. 
 Otto Hahn works for Cornell University from Jan, 1933 to Jan, 1933. 
 Otto Hahn works for McGill University from Jan, 1905 to Jan, 1906. 
 Otto Hahn works for University College London from Jan, 1904 to Jan, 1905.

Answer:
user
University College London
Cornell University
Humboldt University of Berlin
assistant
Question:
Which employer did Otto Hahn work for in Sep, 1905?

Context:
 Otto Hahn works for Humboldt University of Berlin from Jan, 1907 to Jan, 1933. 
 Otto Hahn works for Cornell University from Jan, 1933 to Jan, 1933. 
 Otto Hahn works for McGill University from Jan, 1905 to Jan, 1906. 
 Otto Hahn works for University College London from Jan, 1904 to Jan, 1905.

Answer:
user
McGill University
assistant