Rutherford wrote, I came into the room, which was half dark, and presently spotted Lord Kelvin in the audience and realized that I was in trouble at the last part of my speech dealing with the age of the Earth, where my views conflicted with his.
Rutherford escribiu: Entrei no cuarto, que estaba medio ás escuras, e inmediatamente localicei a Lord Kelvin na audiencia e decateime que estaría nun problema na última parte do meu discurso que trataba da idade da Terra, onde as miñas ideas estaban en conflito coas súas.