Complex sentence: She obtained her PhD in chemistry at the University of Texas with Michael J. S. Dewar, did her postdoctorate at Purdue University with Herbert C. Brown, and joined the University of Oklahoma as a faculty member.
Split into simpler sentences: She obtained her PhD in chemistry at the University of Texas with Michael J. S. Dewar, did post-doctorate work at Purdue University with Herbert C. Brown. Nelson eventually joined the University of Oklahoma as a faculty member.