Q:- battles is norwegian heavy water sabotage , world war ii - allegiance is norway - death date is 02 february 2009 - awards is norway twice -rrb- uk military medal st. olav 's medal with oak branch -lrb- - birth date is 25 may 1918 - serviceyears is 1937 ; 1945 & ndash ; 1938 , 1940 & ndash - branch is norwegian army - unit is norwegian independent company 1 -lrb- kompani linge -rrb- - rank is lieutenant Given the details above, guess who could this information be about.
A:
fredrik kayser