Question:
Which employer did David Gilbarg work for in Nov, 1947?

Context:
 David Gilbarg works for Stanford University from Jan, 1957 to Jan, 1989. 
 David Gilbarg works for Indiana University Bloomington from Jan, 1945 to Jan, 1957. 
 David Gilbarg works for Naval Ordnance Laboratory from Jan, 1942 to Jan, 1945.

Answer:
Indiana University Bloomington