We would like to cast a spotlight on inventors in the mainframe industry, since they have paved the way for the technology of the future. Though there was no mainframe inventor who coined the term, the first mainframe was developed in the 1930's by Howard Aiken, who was a Harvard researcher.

When was first mainframe computer invented?

First mainframe – By most measures, the first mainframe computer was the Harvard Mark I. Developed starting in the 1930s, the machine was not ready for use until 1943. It weighed five tons, filled an entire room and cost about $200,000 to build – which is something like $3,070,500 in 2020 dollars.

Who makes mainframe?

IBM, with z Systems, continues to be a major manufacturer in the mainframe market. In 2000, Hitachi co-developed the zSeries z900 with IBM to share expenses, and the latest Hitachi AP10000 models are made by IBM.