The son of immigrant parents , he did not learn to speak English until he entered school .
He was the son of Bottolf Knutson ( 1865 - 1940 ) and Rachel ( Satren ) Knutson ( 1864 - 1929 ) , both of whom were immigrants from Norway .
The son of immigrant parents , son did not learn to speak English until son entered school .
He was the son of Bottolf Knutson ( 1865 - 1940 ) and Rachel ( Satren ) Knutson ( 1864 - 1929 ) , both of whom were immigrants from Norway .