Question:
Which employer did Hannes Alfvén work for in Mar, 1948?

Context:
 Hannes Alfvén works for Royal Institute of Technology from Jan, 1940 to Jan, 1967. 
 Hannes Alfvén works for University of California, San Diego from Jan, 1967 to Jan, 1988. 
 Hannes Alfvén works for Uppsala University from Jan, 1934 to Jan, 1938.

Answer:
Question:
Which employer did Hannes Alfvén work for in Mar, 1948?

Context:
 Hannes Alfvén works for Royal Institute of Technology from Jan, 1940 to Jan, 1967. 
 Hannes Alfvén works for University of California, San Diego from Jan, 1967 to Jan, 1988. 
 Hannes Alfvén works for Uppsala University from Jan, 1934 to Jan, 1938.

Answer:
user
Royal Institute of Technology
assistant
Question:
Which employer did Hannes Alfvén work for in Mar, 1948?

Context:
 Hannes Alfvén works for Royal Institute of Technology from Jan, 1940 to Jan, 1967. 
 Hannes Alfvén works for University of California, San Diego from Jan, 1967 to Jan, 1988. 
 Hannes Alfvén works for Uppsala University from Jan, 1934 to Jan, 1938.

Answer:
user
Uppsala University
University of California, San Diego
assistant
Question:
Which employer did Hannes Alfvén work for in Mar, 1948?

Context:
 Hannes Alfvén works for Royal Institute of Technology from Jan, 1940 to Jan, 1967. 
 Hannes Alfvén works for University of California, San Diego from Jan, 1967 to Jan, 1988. 
 Hannes Alfvén works for Uppsala University from Jan, 1934 to Jan, 1938.

Answer:
user
Royal Institute of Technology
assistant