Name another famous playwright who wrote around the same time as Shakespeare and is alleged to have helped write some of his plays?

Christopher Marlowe is another famous playwright who wrote around the same time as Shakespeare. He is best known for his plays "Doctor Faustus", "Tamburlaine the Great", and "The Jew of Malta". Marlowe was a contemporary of Shakespeare and is often considered to be one of the greatest Elizabethan dramatists. He was also a rival of Shakespeare, and there is some speculation that he may have helped write some of Shakespeare's plays.