Joanne Sydney Lessner is the librettist of six musicals with music by her husband, Joshua Rosenblum, including Einstein's Dreams, based on the novel by Alan Lightman, which will receive its Off-Broadway premiere with Prospect Theater Company at 59E59 Street Theaters in November 2019. The pair also penned the cult hit Fermat’s Last Tango, which received its Off-Broadway premiere at the York Theatre Company in 2000. The original cast recording became a bestseller, and the DVD has been screened at festivals from New Jersey to New Zealand. The Teatro da Trindade in Lisbon presented both the European premiere of Fermat's Last Tango and the world premiere of Einstein’s Dreams. Their other collaborations include The Haunted Hotel, commissioned by the Signature Theatre; Stage Door, based on the play by Edna Ferber and George S. Kaufman, commissioned by London’s Royal Central School of Speech and Drama; and Garbo and Me, presented in concert both at the York Theatre Company and at the historic Paramount Theatre in Rutland, Vermont. Joanne's play Critical Mass received its New York premiere at the Lion Theatre as winner of the 2009 Heiress Productions Playwriting Competition. She has published five novels: Pandora’s Bottle, named one of the top five books of 2010 by Paperback Dolls, and four mysteries featuring aspiring actress and amateur sleuth Isobel Spice. Joanne is also a regular contributing writer to Opera News and is a graduate of Yale University.