1905

In 1905, Albert Einstein published his. It was a precursor to his, which the Fourth Doctor discussed with Professor Amelia Rumford. (TV: The Stones of Blood)

The Russian industrialist Yashin was murdered by his own workers. (AUDIO: Grand Theft Cosmos)

The Fifth Doctor, Tegan Jovanka and Turlough visited Buzzard Creek in Arizona. (AUDIO: Freakshow)