Who invented the first practical telephone?
The first practical telephone was invented by Alexander Graham Bell. He received the first US patent for the invention of the telephone in 1876, successfully demonstrating a device that could transmit vocal sounds electronically over a distance. Bell's work, initially driven by his interest in communication, paved the way for significant advancements in telecommunication. His invention sparked a revolution in human connectivity, leading to the development of further innovations and commercial telephony. The telephone became a crucial tool for both personal communication and business, significantly altering how people interact across distances.