John Tyndall crossed the Atlantic in 1872 and packed American halls with Six Lectures on Light: waves and colours, interference, polarisation, the blue of the sky he had himself explained — every point driven home by the brilliant experiments that made him the greatest scientific lecturer of his age.
The printed lectures keep the performance’s electricity; you can hear the demonstrations crackle. Download the free EPUB and take a front-row seat at Victorian science’s finest show.