Complex sentence: Fallowing his graduation at Washington University in St Louis, in late 1930s, he moved to the colony of Newfoundland where he worked as Chief Technical Advisor of the Department of Agriculture and Rural Reconstruction.
Split into simpler sentences: Fallowing his graduation at Washington University in St Louis. During in late 1930s he moved to the colony of Newfoundland where he worked as Chief Technical Advisor of the Department of Agriculture and Rural Reconstruction.