Robert J. Sawyer is a celebrated Canadian science fiction author renowned for his ability to blend the intimately human with the grandly cosmic. His writing is characterized by a concise, incisive prose, often exploring the ethical and societal ramifications of advanced technologies. Sawyer views himself not as a predictor of the future, but as an explorer of ideas, using the genre to delve into the essence of humanity and our place in the universe. His novels are a testament to the boundless potential of science fiction.
To test his theories of immortality and life after death, Dr. Peter Hobson has created three electronic simulations of his own personality. The first has all knowledge of physical existence edited out, to simulate life after death. The second is without knowledge of aging or death, to simulate immortality. The third is unmodified, a control. Now they are free. One is a killer.