Question:
Which employer did Hans Rådström work for in Jun, 1960?

Context:
 Hans Rådström works for Stockholm University from Jan, 1964 to Jan, 1969. 
 Hans Rådström works for Linköping University from Jan, 1969 to Jan, 1970. 
 Hans Rådström works for Royal Institute of Technology from Jan, 1954 to Jan, 1964. 
 Hans Rådström works for Institute for Advanced Study from Jan, 1948 to Jan, 1950.

Answer:
Royal Institute of Technology