Context: Albon Man, a New York lawyer, started Electro-Dynamic Light Company in 1878 to exploit his patents and those of William Sawyer. Weeks later the United States Electric Lighting Company was organized. This company didn't made their first commercial installation of incandescent lamps until the fall of 1880 at the Mercantile Safe Deposit Company in New York City, about six months after the Edison incandescent lamps had been installed on the Columbia. Hiram S. Maxim was the chief engineer at the United States Electric Lighting Company.

Question: Who founded Electro-Dynamic Light Company?
Answer: Albon Man

Question: Who was the chief engineer at the United States Electric Lighting Company?
Answer: Hiram S. Maxim

Question: Where did Electro-Dynamic Light Company install its first lights?
Answer: Mercantile Safe Deposit Company

Question: When did Electro-Dynamic Light Company install its first lights?
Answer: fall of 1880

Question: Which company was organized first, Electro-Dynamic Light Company or United States Electric Lighting Company?
Answer: Electro-Dynamic Light Company

Question: Who began the Electro-Dynamic Light Company in 1890?
Answer: Unanswerable

Question: Whose other patents did Albon Man not exploit?
Answer: Unanswerable

Question: Where was the first installation of incandescent lamps in 1890?
Answer: Unanswerable

Question: Who was the chief architect at the United States Electric Lighting Company?
Answer: Unanswerable

Question: Who did not make their first installation until the spring of 1880?
Answer: Unanswerable