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William Herschel, the renowned grandfather of John Herschel the Younger, was an esteemed astronomer and musician of German origin. He gained widespread recognition for his groundbreaking discoveries, which include the planet Uranus and its moons, as well as numerous nebulae and star clusters. Herschel's meticulous observations and contributions to astronomy significantly advanced the field and solidified his position as one of the most prominent figures in scientific history.