Complex sentence: The first director of the press was Lawrence E. Irwin, who was followed by Agnes Lynch Starrett, Frederick A. Hetzel, Peter Oresick (acting), and Cynthia Miller.
Split into simpler sentences: The first director of the press was Lawrence E. Irwin. He was followed by Agnes Lynch Starrett, Frederick A. Hetzel, Peter Oresick (acting), and Cynthia Miller.