She was the natural leader of the girls in her age group because of her initiative, humour and fearlessness, qualities she has preserved unwaveringly to the present day”.

[3] Ingrid married Lars Christensen in 1910, uniting two of Sandefjord's most powerful ship owning families, and they had six children.

[8] Douglas Mawson reported spotting two women aboard a Norwegian ship, who were probably Christensen and Wegger, during his BANZARE expedition.

He wired back to the Australian media: "...much astonishment was excited by the dramatic appearance on their decks of two women attired in the modes of civilisation.

[6][18][19] Other research confirmed Christensen was the first to disembark on Scullin Monolith on 30 January 1937, making her the first woman to step on the Antarctic mainland.