History of Computers and Computing, The birth of the modern computer, First relays computers
The relay computers were huge, slow, expensive, and often undependable machines, but nevertheless they deserve our attention, because they were the first digital computers and traced the path for their smarter brothers—the electronic computers.
Konrad Zuse— computers
Howard Hathaway Aiken—MARK computers
George Robert Stibitz—Complex Number Computer
Edward Condon—Nimatron
