Who Was First with an Electronic Camera?

The following is an excerpt from Dr. Douglas Brown's book "Images Across Space", ISBN number: 978-1-874289-21-0. The book is available at the RSGB Shop.

There has been much discussion of who first produced pictures from an electronic camera. This excerpt describes the evidence supporting claims by supporters of both Farnsworth and Zworykin, and concludes that more research is needed.