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CDC was formed in 1957 as a spin-off of Sperry. It started off by selling memory systems, but in 1958 the now-legendary Seymour Cray signed up. The company released what could be described as the first minicomputer — the 160A — in 1960, but its attention soon turned to producing the fastest computers available.
The CDC 6600 (pictured) came out in 1964, trouncing the competition. It was at least 10 times faster than any rival computer, with a standard mathematical operations rate of 500 kiloflops. The 6600 inspired a series of retaliatory tactics from IBM — the ACS-1, which never made it to production, and the non-existent Model 92 — that may have failed, but nonetheless hit sales of CDC's machine through an early campaign of 'fear, uncertainty and doubt' (FUD).
Although Cray left in 1972, CDC continued to dominate the world of supercomputing during the first half of that decade. After the first Cray-1 was installed in 1976, CDC's lead in the field slipped. The company tried to move into other markets, gaining considerable success from sales of high-performance hard drives. However, it pulled out of hard drives in 1988, and what was left of CDC ended up being merged into BT's Global Services unit soon after.
Photo credit: Steve Jurvetson
ICL started off as an initiative of the Wilson government — specifically technology minister Tony Benn — to create a strong British rival to the likes of IBM. Formed from various smaller companies in 1968, it began life with two mainframe product lines: the IBM System/360-compatible System 4 and the ICT 1900 series, which was not compatible with any other company's products.
ICL launched a new line, the 2900 Series, in 1974. Running the Virtual Machine Environment (VME) operating system, these machines were able to emulate both of their predecessors. The ICL Series 39 range of mainframes and minicomputers, introduced in 1985, included major hardware advances such as the use of optical fibres for central interconnect.
In 1984, ICL was taken over by Standard Telephones and Cables (STC) in a move that foresaw the convergence of computers and telecoms. Subsequent acquisitions included that of Nokia Data in 1991, taking ICL into the PC and desktop software markets.
However, ICL's long-standing partnership with Fujitsu became more permanent around that time, with the Japanese company buying up 80 percent of ICL in 1990. When Fujitsu Siemens was formed in 1999, the ICL brand was finally dropped from its PC and server lines.
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Wang Laboratories always remained under the control of co-founder Dr An Wang and his family, from its inception in 1951 to the doctor's death in 1990.
The company moved from typesetting equipment to the desktop calculator business in 1965 with the LOC-2, arguably the first of such devices to handle computing logarithms, which it achieved without the use of an integrated circuit. At the start of the 1970s, though, calculators began to be commoditised, and Dr Wang moved on to what were, at the time, extremely innovative word processors. They allowed text to be edited without requiring the retyping of entire pages.
The word-processing business developed alongside minicomputers such as the Wang 2200 (pictured), which had the novel feature of a CRT monitor built into the same unit as the storage unit and keyboard. Released in 1973 and running Basic, it was in many ways an early example of the desktop computer.
Dr Wang believed his company would one day overtake his bête noire, IBM. His VS range of minicomputers went some way towards this goal in the 1980s, but, ironically, early Wang PCs suffered from their lack of compatibility with IBM's rival system. Later, IBM-compatible Wang PCs were more successful. Ultimately, though, Wang's increasingly outdated focus on word-processing and an embarrassing 'vapourware' announcement in 1983 — in which Wang promised products that had not been started or completed — led to escalating losses.
Dr Wang died in 1990, and the company turned towards industry-standard rather than proprietary software. In 1991 the company even began to resell IBM hardware. Wang Laboratories filed for bankruptcy protection the following year. It re-emerged in the mid-1990s as a network services firm rather than a computer company, and in 1999 it was bought by the Dutch firm Getronics.
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