In 1901 Dr Edward Wilson sailed for the Antarctic on Discovery as ship's doctor. During the three-year voyage he kept a diary.
'Monday 21 October: We saw our first penguins. We are well down south now, nearly 45'S lat and we are carefully on the lookout for icebergs in this mist....
Stowing medical things again in the afternoon. Found a case of 16 bottles of chloroform and ether knocking about on the mess deck, unlocked.'
Last winter Dr Pete Rowan sailed for the Antarctic on Discovery as ship's doctor. He recorded his own diary and contrasts his experiences with those of Wilson 83 years before. Producer SARAH ROWLANDS