The Question and Answer section for Tess of the D'Urbervilles is a great resource to ask questions, find answers, and discuss the novel.
What do you mean by the "inner core"?
I think you have your questions wrongly categorized here....... tess of the D'Urbervilles was authored by Hardy; Gateshead Hall, Lowood School, and Thornfield Hall all are settings in Jane Eyre, written by Bronte.
In the order above the names...
I think he has something to do with Oliver Cromwell.