First person to walk to both poles
Who
Robert Swan
What
first
Where
Antarctica (South Pole)
When

The first man to walk to both the North and the South Poles was Robert Swan (UK). He led the three-man In the Footsteps of Scott expedition, which reached the South Pole on January 11 1986, and three years later headed the eight-man Icewalk expedition, which arrived at the North Pole on May 14, 1989.