Invention of the telephone useful and widespread apparatus it is now. The telephone exchange was an idea of the Hungarian engineer Tivadar Puskás (1844–1893) in 1876, while he was working for Thomas Edison on a telegraph exchange. Puskás was working on his idea for an electrical telegraph exchange when Alexander Graham Bell received the first patent for the telephone. This caused Puskás to take a fresh look at his own work and he refocused on perfecting a design for a telephone exchange. He then got in touch with the U.S. inventor Thomas Edison who liked the design. According to Edison, "Tivadar Puskas was the
Necessity is the mother of invention Necessity is the mother of invention "Necessity is the mother of invention" is an English-language proverb. It means, roughly, that the primary driving force for most new inventions is a need. "When the need for something becomes imperative, you are forced to find ways of getting or achieving it." The author of this proverb is unknown. This phrase was familiar in England, but in Latin, not in English. In 1519, the headmaster of Winchester and Eton, William Horman, used the Latin phrase "Mater artium necessitas" in his book "Vulgaria". In 1545 Roger Ascham used a close English version, "Necessitie, the