Conversation so far:
What scientific research did Marie Stopes do?
she studied coal and coal balls and researched the collection of Glossopteris (Permian seed ferns).
Was her research on coal ever published?
This was an attempt to prove the theory of Eduard Suess concerning the existence of Gondwana or Pangaea.

Question: Did she prove the theory of Eduard Suess?
Self-contained rewrite: Did Marie Stopes prove the theory of Eduard Suess?