Complex sentence: On receiving his Ph.D. in 1939, Dilworth took an instructorship at Yale University, where he met and married his wife, Miriam White, with whom he had two sons.
Split into simpler sentences: On receiving his Ph.D. in 1939, Dilworth took an instructorship at Yale University. At Yale, he met and married his wife, Miriam White, with whom he eventually had two sons.