Christopher Marlowe made significant contributions to English drama in the late 16th century. He introduced higher level heroic subjects, brought characters to life with realistic qualities, refined the use of blank verse, and brought more unity to plays. Marlowe's works are characterized by their pictorial quality in vividly depicting scenes, ecstatic expressions of passion, and a vitalizing energy that animated his stories and characters. Overall, Marlowe advanced drama as an art form and influenced later playwrights like Shakespeare.