Part IV, An Inspector Calls Summary and Analysis

There are eight chapters in this section, which continues the story of Marconi's experiments along with developments in his personal life. The real drama, however, is provided by Crippen's unfolding story. A new character is introduced, Inspector Dew, whose investigation of Belle's disappearance will have devastating consequences for Crippen.

In January 1902 Marconi's neglected fiancée breaks off their engagement. Marconi publicly criticizes William Preece and Oliver Lodge at his annual shareholders' meeting, a move that is unpopular with the press and scientific journals. On his next trip to New York, Marconi proves conclusively that messages can be sent and received at distances exceeding two thousand miles. At the same time, he realizes that sunlight interferes with his wireless transmissions in ways that he still cannot understand or explain. Nevil Maskelyne, a magician, is...