The life and work of a great scientist. The mathematics and figures are there (reproduced here in their full original beauty) but it is also a life to be read, by anyone, for its delightful enjoy character - enjoy the vivid account of his teaching practices for example! - delightfully told by one of Lord Kelvin's admirers: "His statement, which has been so often quoted, that after fifty-five years of constant study he knew little more of electricity...