- Bartolomeo Cristofori di Francesco (Italian pronunciation: [bartoloˈmɛːo kriˈstɔːfori di franˈtʃesko]; May 4, 1655 – January 27, 1731) was an Italian maker of musical instruments famous for inventing the piano.
- Omega1 Cygni (Wikipedia)
Omega1 Cygni, Latinized from ω1 Cygni, is the Bayer designation for a solitary star in the northern constellation of Cygnus. It is visible to the naked eye with an apparent visual magnitude of 4.94. Based upon an annual parallax shift of 2.59 mas, it is estimated to lie roughly 1,260 light years from the Sun. Relative to its neighbors, this star has a peculiar velocity of 25.7±2.2 km/s.