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
Follow the Colours Follow the Colours "Follow the Colours" is a song written by the English composer Edward Elgar, with words by Capt. William de Courcy Stretton. The song is for male voice solo with an optional chorus of male voices. The song was written as the result of a commission from the Worshipful Company of Musicians in 1907. It is said that Alfred Henry Littleton (chairman of Novello’s music publishers) had to plead with Elgar to go ahead, as there was much Elgar disliked about the idea. Its original title was "Marching Song", and it was first performed by a four-part choir