Melvyn Bragg and guests discuss the pioneering brother and sister who, between them, discovered Uranus, comets, double stars and infrared light at the end of the 18th century. Show more
Discover 11,128,835 listings and 279,892 playable programmes from the BBC
Melvyn Bragg and guests discuss the pioneering brother and sister who, between them, discovered Uranus, comets, double stars and infrared light at the end of the 18th century. Show more