Living in a neighbourhood that was prone to crime, with little or no Police intervention, Marie Van Brittan Brown, feeling very uncomfortable with the situation, took it upon herself to patent the modern home security system. And that technological invention has been in use all over the world, for more than 50 years.

She was a nurse, and her husband was an electronics technician. She worked long hours and often got back home at night – to a crime-prone neighbourhood of Jamaica, Queens, in New York City. Her husband, Albert Brown, was hardly home on many nights due to the nature of his work. His absence and that of the police (in the neighbourhood) prompted her to desire a way to see and hear who was at the door from anywhere she was in the house.

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