The first electronic computer was built during the 1940s by John Vincent Atanasoff, a professor of physics and mathematics at Iowa State University, and one of his students, Clifford E. Berry. But the ...
C. 2500 BCE: Sumerian abacus -- c. 700 BC: Scytale -- c. 150: Antikythera mechanism -- c. 60: Programmable robot -- c. 850: "On Deciphering Cryptographic Messages ...
In 1979, two M.I.T. computer-science alumni and a Harvard Business School graduate launched a new piece of computer software for the Apple II machine, an early home computer. Called VisiCalc, short ...