winner country  winter olympics fis nordic world ski championships                             holmenkollen
0    thorleif haug  norway             1924                               1924  1918 , 1919 , 1920 , 1921 , 1923 , 1924
1    nils karlsson  sweden             1948                               1948                              1947 , 1951
2   ole ellefsæter  norway             1968                               1968                                     1967
3       pål tyldum  norway             1972                               1972                              1969 , 1972
4  thomas wassberg  sweden             1984                               1982                       1980 , 1982 , 1987
5       gunde svan  sweden             1988                        1985 , 1989                              1986 , 1990
6   petter northug  norway             2010                               2009                                     2010

Table as JSON:
{"winner":{"0":"thorleif haug","1":"nils karlsson","2":"ole ellefsæter","3":"pål tyldum","4":"thomas wassberg","5":"gunde svan","6":"petter northug"},"country":{"0":"norway","1":"sweden","2":"norway","3":"norway","4":"sweden","5":"sweden","6":"norway"},"winter olympics":{"0":1924,"1":1948,"2":1968,"3":1972,"4":1984,"5":1988,"6":2010},"fis nordic world ski championships":{"0":"1924","1":"1948","2":"1968","3":"1972","4":"1982","5":"1985 , 1989","6":"2009"},"holmenkollen":{"0":"1918 , 1919 , 1920 , 1921 , 1923 , 1924","1":"1947 , 1951","2":"1967","3":"1969 , 1972","4":"1980 , 1982 , 1987","5":"1986 , 1990","6":"2010"}}