 Complete the following phrase:  During Stopes time at Manchester, she studied coal and coal balls and researched the collection of Glossopteris Permian seed ferns. This was an attempt to prove the theory of Eduard Suess concerning the existence of Gondwana or Pangaea. A chance meeting with Antarctic explorer Robert Falcon Scott during one of his fund-raising lectures in 1904 brought a possibility of proving Suesss theory. Stopess passion to prove Suesss theory led her to discuss the possibility of joining Scotts next expedition to Antarctica. She did not join the expedition, but Scott promised to bring back samples of fossils to provide evidence for the theory. Scott died during the 1912 