Frederick William Herschel, KH, FRS (German: Friedrich Wilhelm Herschel; 15 November 1738 – 25 August 1822) was a Hanoverian-born British astronomer, technical expert, composer, and brother of Caroline Herschel. Born in the Electorate of Hanover, Herschel followed his father into the Military Band of Hanover, before migrating to Great Britain at the age of nineteen. He became famous for his discovery of the planet Uranus, along with two of its major moons, Titania and Oberon, and also discovered two moons of Saturn. In addition, he was the first person to discover the existence of infrared radiation. He is also known for the twenty-four symphonies, and many other musical pieces, that he composed.
Caroline Lucretia Herschel (16 March 1750 – 9 January 1848) was a German astronomer and the sister of astronomer Sir William Herschel with whom she worked throughout both of their careers. Her most significant contributions to astronomy were the discoveries of several comets and in particular the periodic comet 35P/Herschel-Rigollet, which bears her name.She was the first woman to be paid for her contribution to science, to be awarded a Gold Medal of the Royal Astronomical Society (1828), and to be named an Honorary Member of the Royal Astronomical Society (1835, with Mary Somerville). She was also named an honorary member of the Royal Irish Academy (1838). The King of Prussia presented her with a Gold Medal for Science, on the occasion of her 96th birthday (1846).