December 26, 1791

Charles Babbage designed and supervised the construction of an unfinished prototype Difference Engine, an early calculating machine he called the Analytical Machine, which loads commands with punched cards from Jacquard looms.

December 10, 1815

Ada Lovelace worked with Charles Babbage to create a language of logical and mathematical expression develop for the first computing device.

December 9, 1906

Grace Hopper was an American mathematician, computer scientist, physicist and US military officer Navy. She has, among other things, the first programs for the Mark 1 Calculator and the first real compiler for a programming language to her name.

January 3, 1929

Gordon Moore is an American entrepreneur and co-founder of Intel. He formulated Moore's Law. He is one of the "Traitorous Eight", the group that founded Fairchild Semiconductor in 1957. In 2008, he received the prestigious IEEE Medal of Honor for his groundbreaking contributions to the electronics.

September 13, 1941

Ed Roberts was an American engineer, entrepreneur and physician who founded the company Micro Instrumentation in 1970 and Telemetry Systems (MITS). He sold construction kits for model rocket hobbyists. He is known as "the father of the personal computer".

August 11, 1950

Steve Wozniak is an American engineer. He founded on January 3, 1977 together with Steve Jobs and Ronald Wayne founded the Apple computer company. His nickname is Woz.

February 24, 1955

teve Jobs was the co-founder and CEO of Apple and served on the board of directors of Pixar Animation Studios. After Disney's acquisition of Pixar, Jobs became a member of its board of directors company. Although he earned a symbolic salary of one dollar per year, he was... stock income of 646.6 million dollars, the highest-earning director of 2006 in the US. Jobs becomes considered a pioneer of the computer industry. After joining Xerox at the Palo Alto Research Center (PARC) saw a demonstration of the graphical user environment with windows and mouse, he took it interface in the Apple Lisa, which was very expensive and sold poorly and was quickly followed by the Apple Macintosh. He was also the driving force behind the development of OS X.

October 28, 1955

William Henry (Bill) Gates III is an American entrepreneur and philanthropist. Gates is best known as the figurehead and co-founder of the Microsoft company.

August 6, 1963

Kevin Mitnick is one of the most famous convicted hackers. From the age of 12, he had already started circumventing systems.

June 6, 1967

Rich Skrenta is a Silicon Valley computer programmer and entrepreneur who founded the web search engine Blekko has invented.