| A | B |
|---|
| Howard Aiken | 1900 - 1973 In affiliation with IBM, he built an elecromechanical computer called the Mark I. |
| Charles Babbage | 1792-1871 A British mathematician and inventor. Built an analytical engine that was the precurser to the modern day computer. |
| Herman Hollerith | 1860-1929 He was a statistician with the US Census Bureau who designed a method of storing coded information on cardboard cards in the form of rectangular punched holes. The code and the computer card handling machines were purchased by IBM in 1929. |
| Grace Hopper | 1906- A mathematician and programmer with the U.S. Naval Reserve who developed programs for the Mark 1 and Univac computers. Wrote the first practical programming language called COBOL. |
| John Mauchly | 1907- Co-inventor with J. Presper Eckert of a computer system called ENIAC. It contained 18000 glass gas-filled vacuum tubes. |
| Joseph Weizenbaum | 1923- An American professor at MIT who gained fame through the development of a simulated artificial intelligence program called ELIZA and the philosophy behind it. |
| John von Neumann | 1903-1957 A mathematician who created the concept of input; processing; and output for computer design. |
| James Powers | 1917- A statistician with the U.S. Census Bureau who developed a method of coding information onto cardboard cards for ease of machine handling. His ideas were adopted by the Sperry Rand Corp. |
| Alan Turing | 1912-1954 A British mathematician who proposed an intelligence test for computers based on word recognition and word response capabilities. |
| Thomas Watson Jr. | 1914-1956 The president of IBM until 1952. |
