Question:
Which employer did Noel Bryan Slater work for in Aug, 1939?

Context:
 Noel Bryan Slater works for University of Leeds from Jan, 1945 to Jan, 1961. 
 Noel Bryan Slater works for University of Hull from Jan, 1961 to Jan, 1973. 
 Noel Bryan Slater works for Ministry of Supply from Jan, 1940 to Jan, 1945. 
 Noel Bryan Slater works for Cambridge Observatory from Jan, 1939 to Jan, 1940.

Answer:
Question:
Which employer did Noel Bryan Slater work for in Aug, 1939?

Context:
 Noel Bryan Slater works for University of Leeds from Jan, 1945 to Jan, 1961. 
 Noel Bryan Slater works for University of Hull from Jan, 1961 to Jan, 1973. 
 Noel Bryan Slater works for Ministry of Supply from Jan, 1940 to Jan, 1945. 
 Noel Bryan Slater works for Cambridge Observatory from Jan, 1939 to Jan, 1940.

Answer:
user
Cambridge Observatory
assistant
Question:
Which employer did Noel Bryan Slater work for in Aug, 1939?

Context:
 Noel Bryan Slater works for University of Leeds from Jan, 1945 to Jan, 1961. 
 Noel Bryan Slater works for University of Hull from Jan, 1961 to Jan, 1973. 
 Noel Bryan Slater works for Ministry of Supply from Jan, 1940 to Jan, 1945. 
 Noel Bryan Slater works for Cambridge Observatory from Jan, 1939 to Jan, 1940.

Answer:
user
Ministry of Supply
University of Leeds
University of Hull
assistant
Question:
Which employer did Noel Bryan Slater work for in Aug, 1939?

Context:
 Noel Bryan Slater works for University of Leeds from Jan, 1945 to Jan, 1961. 
 Noel Bryan Slater works for University of Hull from Jan, 1961 to Jan, 1973. 
 Noel Bryan Slater works for Ministry of Supply from Jan, 1940 to Jan, 1945. 
 Noel Bryan Slater works for Cambridge Observatory from Jan, 1939 to Jan, 1940.

Answer:
user
Cambridge Observatory
assistant