Edison vs Johannesburg

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Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman who has been described as America's greatest inventor. He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures. These inventions, which include the phonograph, the motion picture camera, and early versions of the electric light bulb, have had a widespread impact on the modern industrialized world. He was one of the first inventors to apply the principles of organized science and teamwork to the process of invention, working with many researchers and employees. He established the first industrial research laboratory.Edison was raised in the American Midwest; early in his career he worked as a telegraph operator, which inspired some of his earliest inventions.

In 1876, he established his first laboratory facility in Menlo Park, New Jersey, where many of his early inventions were developed. He later established a botanic laboratory in Fort Myers, Florida in collaboration with businessmen Henry Ford and Harvey S. Firestone, and a laboratory in West Orange, New Jersey that featured the world's first film studio, the Black Maria. He was a prolific inventor, holding 1,093 US patents in his name, as well as patents in other countries. Edison married twice and fathered six children. He died in 1931 of complications of diabetes.

Source: Wikipedia

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Johannesburg ( joh-HAN-iss-burg, also US: -⁠HAHN-; Afrikaans: [juəˈɦanəsbœrχ]; Zulu and Xhosa: eGoli, Tswana and Sotho: Gauteng), informally known as Jozi, Joburg, or "The City of Gold", is the largest city in South Africa, classified as a megacity, and is one of the 50 largest urban areas in the world. It is the provincial capital and largest city of Gauteng, which is the wealthiest province in South Africa. Johannesburg is the seat of the Constitutional Court, the highest court in South Africa. Most of the major South African companies and banks have their head offices in Johannesburg. The city is located in the mineral-rich Witwatersrand range of hills and is the centre of large-scale gold and diamond trade. It was one of the host cities of the official tournament of the 2010 FIFA World Cup. The metropolis is an alpha global city as listed by the Globalization and World Cities Research Network. In 2019, the population of the city of Johannesburg was 5,635,127, making it the most populous city in South Africa. In the same year, the population of Johannesburg's urban agglomeration was put at 8,000,000.

land area of the municipal city (1,645 km2 or 635 sq mi) is large in comparison with those of other major cities, resulting in a moderate population density of 2,364 per square kilometre (6,120/sq mi). The city was established in 1886 following the discovery of gold on what had been a farm. Due to the extremely large gold deposit found along the Witwatersrand, within ten years, the population had grown to 100,000 inhabitants. A separate city from the late 1970s until 1994, Soweto is now part of Johannesburg. Originally an acronym for "South-Western Townships", Soweto originated as a collection of settlements on the outskirts of Johannesburg, populated mostly by native African workers from the gold mining industry. Soweto, although eventually incorporated into Johannesburg, had been separated as a residential area for Blacks, who were not permitted to live in Johannesburg-Proper. Lenasia is predominantly populated by English-speaking South Africans of Indian descent. These areas were designated as non-white areas in accordance with the segregationist policies of the South African government known as Apartheid.

Source: Wikipedia