Rainbow which a glass prism could separate into the full spectrum of colours, rejecting the theory that the colours were produced by a modification of white light. He also showed that red light is refracted less than blue light, which led to the first scientific explanation of the major features of the rainbow. Newton's corpuscular theory of light was unable to explain supernumerary rainbows, and a satisfactory explanation was not found until Thomas Young realised that light behaves as a wave under certain conditions, and can interfere with itself. Young's work was refined in the 1820s by George Biddell Airy, who
The First Church of Christ, Scientist Mary Baker Eddy Library; Reflection Hall (1971); Administration Building (1972); and Colonnade Building (1972). There is also a reflecting pool and fountain. In accordance with the "Manual of The Mother Church", the Mother Church is the only Christian Science church to use the definite article ("the") in its title. Branch churches are named "First Church of Christ, Scientist", "Second Church of Christ, Scientist", and so on, followed by the name of the city, in the order in which they were built in that city (for example, Seventeenth Church of Christ, Scientist, Chicago). The Original Mother Church, designed by Franklin I.