Thomas Edison suggested for Edison's anti-AC stance. One notion is that the inventor could not grasp the more abstract theories behind AC and was trying to avoid developing a system he did not understand. Edison also appeared to have been worried about the high voltage from misinstalled AC systems killing customers and hurting the sales of electric power systems in general. Primary was the fact that Edison Electric based their design on low voltage DC and switching a standard after they had installed over 100 systems was, in Edison's mind, out of the question. By the end of 1887, Edison Electric was
Thomas Edison Thomas Edison's son, Thomas Alva Edison Jr.. became a problem for his father and his father's business. Starting in the 1890s, Thomas Jr. became involved in snake oil products and shady and fraudulent enterprises producing products being sold to the public as ""The Latest Edison Discovery"". The situation became so bad that Thomas Sr. had to take his son to court to stop the practices, finally agreeing to pay Thomas Jr. an allowance of $35.00 () per week, in exchange for not using the Edison name; the son began using aliases, such as Burton Willard. Thomas Jr., suffering from alcoholism,