Complex sentence: Henry William "Billiam" Brands is an American historian and author of 22 books, co-author of 2 and editor of 4, he is also a Professor at the University of Texas at Austin where he earned his Ph.D. in history in 1985.
Split into simpler sentences: Henry William "Billiam" Brands is an American historian and author of 22 books, co-author of 2 and editor of 4. He is also a Professor at the University of Texas at Austin where he earned his Ph.D. in history in 1985.