Complex sentence: Emily Hoskins Vokes along with her husband were the core of the paleontological research program at Tulane University and their research collections (also at Tulane University) were some of the richest collections in the world.
Split into simpler sentences: Emily Hoskins Vokes along with her husband were the core of the paleontological research program of Tulane University. Their research collections (also at Tulane University) were some of the richest collections in the world.