The Imaginary Invalid Author:Moliere Moliere was a prominent French playwright who is widely considered to be one of the greatest comedians in all of literature. Moliere's impact was so great that many phrases from his plays are still used often in the French language today. Moliere's best known plays include Tartuffe, The Miser, The Misanthrope, The Imaginary Invalid, and The Sc... more »hool for Wives. The Imaginary Invalid is a play that centers around a hypochondriac named Argan. The play also served as a harsh criticism of the medical field.« less