You will hopefully be bringing something that you have discovered about a Polar explorer. Here are some of the names that you could perhaps have selected:
Fridtjof Nansen - a favourite of mine...
Robert Edwin Peary
Sir John Franklin
Sir James Clark Ross
Sir Ernest Shackleton - "the Boss"
Robert Falcon Scott
Captain James Cook
You need to compare THEN and NOW.
There are still some current polar explorers who are worth mentioning:
Sir Ranulph Fiennes
Don't forget the RGS Discovering Antarctica website.
Here are some headings that you can use to compare the past and current visitors to Polar regions: