English dramatist; born at London Jan. 7, 1867; educated at the North London Collegiate School. Klein is the author of "A Mile a Minute" (produced by Minnie Palmer); "The District Attorney"; the libretto of "El Capitan" (produced by De Wolf Hopper); "Dr. Belgraff" (produced by Wilton Lackaye); "Heartsease" (produced by Henry Miller); "The Charlatan" (produced by De Wolf Hopper); "Hon. John Grigsby" (produced by Sol. Smith Russell); "A Royal Rogue"; "The Auctioneer"; "Mr. Pickwick"; and a number of other plays.