the young, as I had been in Naples. I spent so many hours of the day, or rather the night, listening to the thoughts on philosophy and poetry which flowed from his lips, burning like the rivers of lava that flowed from his homeland's Mount Etna, and which I have always treasured and still remember! In the 1870s Bidera's grandson Ferdinando re-published some of Bidera's more obscure works. The first was a bizarre tract written in 1853 on musical and dramatic eurythmy and its relation to the laws of physics. It took the form of a series of letters written by Bidera to a "mademoiselle Sofia". The second, under the title Triade, contained an essay on the philosophy of Pythagoras, originally published in Il Poligrafo in 1856 and included others on Plato and Timaeus of Locri which had appeared in Bidera's Quaranta secoli, racconti su le Due Sicilie del Pelasgo Matn-Eer, originally published in 1849. Descendants Bidera and his wife had five children. The eldest was Pietro Atanasio, born in 1813. Bidera continued the family tradition of naming the eldest son after the paternal grandfather despite the fact that he never reconciled with his father and never saw him again after he ran away in 1802. Pietro Atanasio was followed by Amalia (who died at the age of 12), Francesca, Luigi, and Francesco. Pietro Atanasio initially worked as a tax officer for the government of Ferdinand II, but was dismissed from that post around the time his father was exiled from Naples. After that he devoted himself to republishing his father's works and later founded and ran La Pubblicità Universale, a commercial newspaper published in five languages with an associated advertising agency. His son Ferdinando Bideri (1851–1930) founded the famous publishing house, known today as . Francesco (1833–1894) worked in Naples as an artist, sculptor, cameo engraver, and furniture designer. He also played the mandolin and served as a music teacher to Margherita of Savoy who wanted to learn the instrument. He published several transcriptions of opera arias for mandolin and piano, including pieces from the two Donizetti operas for which his father had written the librettos. Works Opera librettos I promessi sposi (melodramma semiserio in 2 acts) composed by Luigi Gervasi, premiered Rome, Teatro Valle, 19 January 1834 Gemma di Vergy (tragedia lirica in 2 acts) composed by Gaetano Donizetti, premiered Milan, Teatro alla Scala, 26 December 1834 Marino