Question:
Which employer did Marie Jakus work for in Feb, 1938?

Context:
 Marie Jakus works for Massachusetts Institute of Technology from Jan, 1945 to Jan, 1951. 
 Marie Jakus works for National Institutes of Health from Jan, 1961 to Jan, 1977. 
 Marie Jakus works for Washington University in St. Louis from Jan, 1938 to Jan, 1941. 
 Marie Jakus works for Retina Foundation from Jan, 1951 to Jan, 1961.

Answer:
Question:
Which employer did Marie Jakus work for in Feb, 1938?

Context:
 Marie Jakus works for Massachusetts Institute of Technology from Jan, 1945 to Jan, 1951. 
 Marie Jakus works for National Institutes of Health from Jan, 1961 to Jan, 1977. 
 Marie Jakus works for Washington University in St. Louis from Jan, 1938 to Jan, 1941. 
 Marie Jakus works for Retina Foundation from Jan, 1951 to Jan, 1961.

Answer:
user
Washington University in St. Louis
assistant
Question:
Which employer did Marie Jakus work for in Feb, 1938?

Context:
 Marie Jakus works for Massachusetts Institute of Technology from Jan, 1945 to Jan, 1951. 
 Marie Jakus works for National Institutes of Health from Jan, 1961 to Jan, 1977. 
 Marie Jakus works for Washington University in St. Louis from Jan, 1938 to Jan, 1941. 
 Marie Jakus works for Retina Foundation from Jan, 1951 to Jan, 1961.

Answer:
user
Massachusetts Institute of Technology
Retina Foundation
National Institutes of Health
assistant
Question:
Which employer did Marie Jakus work for in Feb, 1938?

Context:
 Marie Jakus works for Massachusetts Institute of Technology from Jan, 1945 to Jan, 1951. 
 Marie Jakus works for National Institutes of Health from Jan, 1961 to Jan, 1977. 
 Marie Jakus works for Washington University in St. Louis from Jan, 1938 to Jan, 1941. 
 Marie Jakus works for Retina Foundation from Jan, 1951 to Jan, 1961.

Answer:
user
Washington University in St. Louis
assistant