What expeditions did thomas crean go on?

Thomas Crean was a prominent member of several Antarctic expeditions in the early 20th century. He participated in Ernest Shackleton's Nimrod Expedition from 1907 to 1909, where he was part of the team that reached the South Pole's farthest point. Crean also took part in Shackleton's Imperial Trans-Antarctic Expedition from 1914 to 1917, famously involved in the rescue of stranded crew members after the Endurance was trapped in ice. His remarkable survival skills and leadership were crucial in these challenging expeditions.