Two sets of identical twins provide the basis for ongoing incidents of mistaken identity, within a lively plot of quarrels, arrests, and a grand courtroom denouement. One of Shakespeare's earliest comedic efforts.Karel capek (January 9, 1890 - December 25, 1938) was one of the most influential Czech writers of the 20th century. He introduced and made popular the frequently used international word robot, which first appeared in his play R.U.R. (Rossum's Universal Robots) in 1921.