Polar explorer Ernest Shackleton (1874 - 1922) with his wife Emily (3rd from left), Miss Stead (left), F. Herbert Stead (2nd from left) and Mrs Stead (2nd from right), circa 1913. (Photo by Popperfoto via Getty Images/Getty Images)
Polar explorer Ernest Shackleton (1874 - 1922) with his wife Emily (3rd from left), Miss Stead (left), F. Herbert Stead (2nd from left) and Mrs Stead (2nd from right), circa 1913. (Photo by Popperfoto via Getty Images/Getty Images)