Question:
Which employer did Thomas William Walker work for in Feb, 1944?

Context:
 Thomas William Walker works for Rothamsted Research from Jan, 1939 to Jan, 1941. 
 Thomas William Walker works for King's College, Newcastle-upon-Tyne from Jan, 1958 to Jan, 1960. 
 Thomas William Walker works for University of Manchester from Jan, 1941 to Jan, 1946.

Answer:
University of Manchester