Sir George Biddell Airy (1801 - 1892) was an English mathematician and astronomer. Airy is credited with research on planetary orbits, measuring the mean density of the Earth, and developing a method of solution of two-dimensional problems in solid mechanics. He worked with the Astronomer Royal in establishing Greenwich as the prime meridian.

Sir George Biddell Airy (1801 1892) was a prominent mathematician and astronomer. He was an honorary fellow of Trinity College, Cambridge, fellow of the Royal Society and Astronomer Royal from 1835 until 1881. His many achievements include important work on planetary orbits, the calculation of the mean density of the earth and the establishment of the prime meridian at Greenwich. He was also consulted by the government on a wide range of issues and projects, serving on the weights and measures commission, the tidal harbours commission and the railway gauge commission as well as acting as an...