Answer:
Christopher Marlowe (Tamburlaine, Doctor Faustus, Edward II), Thomas Kyd (The Spanish Tragedy), George Peele (Edward I), Thomas Nashe (Summers Last Will and Testament) & Robert Greene (Friar Bacon and Friar Bungay) were popular early in Shakespeare's career. Later playwrights included Thomas Middleton (A Chaste Maid in Cheapside, The Revenger's Tragedy), Thomas Dekker (The Shoemaker's Holiday, The Roaring Girl (with Middleton) ), Ben Jonson (Volpone, The Alchemist, Every Man in his Humour, Bartholomew Fair), John Fletcher (who collaborated with Shakespeare), Philip Massinger (A New Way to Pay Old Debts, The City Madam, The Roman Actor), Francis Beaumont (The Knight of the Burning Pestle (with Fletcher) ), John Marston (The Malcontent, The Dutch Courtesan), and Thomas Heywood (A Woman Killed with Kindness).