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Blaise Pascal made the first calculator in 1642, and called it the Pascaline. You could do adding and subtracting by turning the dials on the top of the machine.

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Despite being previously credited to the creation of the Binary Number System, Gottfried Wilhelm Leibniz had turned out to plagiarize the real authors, the Englishmen Thomas Harriot and Spaniard Juan Caramuel de Lobkowitz. This was discovered when several notebooks belonging to them were found containing the first notes of what would become the basis for almost all code, dating back before Gottfried was born.

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Charles Babbage's Difference Machine (1832)

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Charles Babbage's Difference Machine (1832)

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Charles Babbage was an English mathematician and inventor, and the one who created the first digital computer, The Difference Engine. While it was only partially built, it was built for complicated math problems and calculation. However, it would not go too far for it could only perform one operation. There was also the issue of sporadic funding, and before it could be completed, his chief machinist Joseph Clement quit.

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Charles Babbage's Analytical Engine (1833)

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Charles Babbage's Analytical Engine (1833)

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While it was also partially built (Babbage worked on it until his death), The Analytical Engine was several times more successful than The Difference Engine. Unlike its predecessor, it was able to perform several complicated and usually time consuming calculations with just a couple cranks of its lever. It’s considered the very first computer.

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Ada Lovelace was educated in math and science from a young age, and when she made the first computer code for Babbage’s Analytical Engine, would be dubbed the Mother of Computers later on in history.

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While he has many achievements, one of the most notable Alan Turing’s was his key role in the code-breaking of German code in World War II. He was also one of the first to create an electric working computer. Unfortunately, when it was revealed that he was gay (which has illegal in the 40s) he was subjected to chemical castration and later on would die of cyanide poisoning.

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Robert Noyce creates the First Intergrated Circuit (1958)

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Robert Noyce creates the First Intergrated Circuit (1958)

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Robert Noyce created the First Intergrated Circuit, which was able to minimize size and functionality. All the necessary components such as resistors, transistors, and wires could now be fit on a simple wafer.

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One of the first computer languages that would be highly used and very popular. It was successful because it was easy to read and portable.

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Bill Gates created the first microchip computers, and in turn, the Microsoft company. Computers were getting smaller and much more mainstream. It would open avenues to things such as personal programming, online entertainment, and programs such as Word, Excel, and PowerPoint.

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Steve Jobs had many notable feats, with several specific highlights. In the 80s, he created the Macintosh computer, which would become incredibly useful and popular in the following decades. His biggest feat was the creation of the first touch screen IPhone. It was the first that you could call people, take photos, play games and keep it all in your pocket.