Question:
Which employer did Julian A. Dowdeswell work for in Mar, 1987?

Context:
 Julian A. Dowdeswell works for University of Cambridge from Jan, 2001 to Dec, 2022. 
 Julian A. Dowdeswell works for University of Bristol from Jan, 1998 to Jan, 2001. 
 Julian A. Dowdeswell works for Aberystwyth University from Jan, 1986 to Jan, 1989. 
 Julian A. Dowdeswell works for Scott Polar Research Institute from Jan, 1989 to Jan, 1994.

Answer:
Aberystwyth University