|Reality Change Kv35C7 (1865e)|
In Assassination By Subtraction, an alien Interventionist must arrange for President Lincoln to die. This is accomplished by using teleporter technology to remove a few guards from Ford's Theatre, allowing John Booth to shoot Lincoln.
The Interventionist agent is a Preland. Why would a Preland want Lincoln to die? In the Ekcolir Reality, Lincoln never had to fight a civil war. Instead, he played a major role in promoting the economic development of the South, greatly stimulating the use of fossil fuels in the United States.
|In the Ekcolir Reality|
Later in the Ekcolir Reality, when sea level rise began causing damage to coastal cities, Lincoln was reviled by environmentalists. When Asimov learned that Preland colonists had been allowed on Earth, he decided to write a mystery story about the involvement of a Preland agent in the assassination of a prominent politician. At that time, Asimov was collaborating with another famous writer who used the pen name "John Doe".
|Preland agent on Earth|
In Assassination By Subtraction, Lincoln's assassination is investigated, leading to the careful collection of testimony from the teleported guards. Although they had been drugged, their testimony ultimately leads to discovery of the Preland agent and the people of Earth learn that aliens have long visited Earth and controlled the course of human civilization.
|Aliens change history!|
While writing Assassination By Subtraction, Asimov and "John Doe" had no real information about the reason why Prelands have visited Earth. The idea that a Preland agent would be involved in the assassination of a prominent Earthling was a fictional invention and intended to provide the backstory for a best-selling science fiction mystery story.
|100 posts in 2014|
This is my 100th blog post of the year. Previously my most active year of blogging was last year (81 posts). I attribute the accelerating pace of blogging to my collaborators Thomas and Ivory.
|More book and magazine covers.|