Nansen's rescuer was an accomplished British explorer named Frederick George Jackson who, as it happened, had met Nansen four years earlier in London.

原来救了南森的人是杰出的英国探险家弗雷德里克·乔治·杰克逊，他和南森碰巧于四年前在伦敦见过面。

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If Frederick Jackson Turner had anything right in "The Frontier Thesis", although he didn't pay hardly any attention to the South, this idea of a safety valve of a West to move to was surely there for slavery.

如果弗雷德里克·杰克逊·特纳,在《边境论》中有什么正确的言论,那就是,尽管他对南方几乎没有施以任何关注,即这个西进运动是一道安全阀的构想,显然是为奴隶制而设的

耶鲁公开课 - 美国内战与重建课程节选

Renowned historian Frederick Jackson Turner posited that the American character was shaped by the frontier experience.

CNN: Curiosity opening Martian frontier?