Inventor | Invention/Date |
Blaise Pascal | Mechanical device called Pascaline in 1642. |
Gottfried Wilhelm von Leibniz | Invented the stepped Reckoner in 1670. |
Charles Babbage | Analytical Engine-Calculating machine that used punched cards to store information in 1842. |
Herman Hollerith | Invented the tabulating machine in 1890. |
John Atanasoff/Clifford Berry | Atanasoff & Berry computer (ABC) in 1939 used binary number system used in computers today. |
Mark 1 | Automatic Sequence Controlled Calculator. (ASCC) |
John Mauchly/J.Presper Eckert | Worked on Electronic Numercial Integration and Calculator in 1946. |
Alan Turing | Developed idea of a universal machine in the late 30's and 40's |
Jon von Neumann | built the electronic discrete variable automatic computer with Mauchly and Eckert in 1947 |
Transistor | invented in 1947 by William Shockely , John Bardeen, and Walter Brittain. |
Grace Murray Hopper | Recieved 47 Honorary awards , Born 1906 |
Jack Kilby | Developed the 1st integrated circuit in 1958. She invented the 1st hand held calculator. |
William Gates III | Born October 28, 1951. Founder of the Microsoft Corporation. |
Paul Allen | Co-founder of Microsoft Corporation. |
Thomas Knoll/John Knoll | He is a Software engineer, Creator of Adobe Photoshop in 1988 |