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John Patterson — Complete Biography, History and Inventions

Key Points: John Patterson invested in and purchased the National Manufacturing Company, along with the rights to James Ritty’s Incorruptible Cashier. To better his company, Patterson...

Abacus Explained — Everything You Need To Know

5 Facts About the Abacus The origin of the abacus is still debated. Similar counting frame objects are believed to have been used in ancient...

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Jon Postel – Complete Biography, History, and Inventions

Jon Postel was a computer scientist and pioneer in the early days of the Internet. He is known for being an editor of RFC...

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Vannevar Bush – Complete Biography, History, and Inventions

Who Was Vannevar Bush? Vannevar Bush was an American inventor, electrical engineer, and science administrator. He was the leader of the Office of Scientific Research...

Essential World War II Sites Every American Should Visit

As the most studied war in history, World War 2 has created a lasting impact on many generations. Best known as the Second World...

The 8 Oldest Professions in World History

What are the oldest professions in world history? There are often jokes planted around pop history about the oldest jobs that humankind has held....

How Much Did the James Webb Telescope Cost?

3…2…1… and lift off! But, how much did launching the James Webb Telescope cost? You’ll know that NASA launched a new telescope into space...

Thomas Knoll: Complete Biography, History, and Inventions

Thomas Knoll is an American software engineer who is best-known for the invention of Photoshop, along with his brother. He initially began a project...

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Kevin Systrom is an American computer programmer and entrepreneur. He was born in Holliston, Massachusetts, and attended college at Stanford University. Kevin first interned...

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