Famous People in computer history

Charles Babbage
In 1822Charles Babbage conceptualized and began developing the Difference Engine, considered to be the first automatic computing engine that was capable of computing several sets of numbers and making hard copies of the results. Unfortunately, because of funding he was never able to complete a full-scale functional version of this machine. In June of 1991, the London Science Museum completed the Difference Engine No 2 for the bicentennial year of Babbage's birth and later completed the printing mechanism in 2000.
Konrad Zuse
The Z1, originally created by Germany's Konrad Zuse in his parents' living room in 1936to 1938 and is considered to be the first electro-mechanical binary programmable (modern) computer and really the first functional computer.
John Vincent Atanasoff and Cliff Berry
Short for Atanasoff-Berry Computer, the ABC started being developed by ProfessorJohn Vincent Atanasoff and graduate student Cliff Berry in 1937 and continued to be developed until 1942 at the Iowa State College (now Iowa State University). The ABC was an electrical computer that used vacuum tubes for digital computation including binary math and Boolean logic and had no CPU.
J. Presper Eckret
The ENIAC was invented by J. Presper Eckert at the University of Pennsylvania and began construction in 1943 and was not completed until 1946. It occupied about 1,800 square feet and used about 18,000 vacuum tubes, weighing almost 50 tons. Although the Judge ruled that the ABC computer was the first digital computer, many still consider the ENIAC to be the first digital computer because it was fully functional.
Ed Roberts
In 1975, Ed Roberts coined the term "personal computer" when he introduced the Altair8800. Although the first personal computer is considered by many to be the KENBAK-1, which was first introduced for $750 in 1971. The computer relied on a series of switches for inputting data and output data by turning on and off a series of lights.
Steve Wozniak
Steve Wozniak designed the first Apple, known as the Apple I, in 1976.

Steve Jobs
Co-Founder and former CEO of the Apple company. 

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