Funny, but the first Sparky fired to life at Auburn Prison, New York in 1890. The customer was named William Kemmler, who killed his wife with a hatchet.
[link|http://www.albany.edu/~brandon/timeline.html|http://www.albany.ed...don/timeline.html]
[link|http://www.kargatane.com/souls/williamkemmler.html|http://www.kargatane...lliamkemmler.html]