Gruppo 63

Giorgio Celli (16 July 1935 – 11 June 2011) was an Italian entomologist, ecologist, professor, writer, and politician.

Franco Lucentini (Italian pronunciation: [ˈfraŋko lutʃenˈtiːni]; 24 December 1920 – 5 August 2002) was an Italian writer, journalist, translator and editor of anthologies.