Columbia University Computing History   

The IBM 7094

Left: The IBM 7094 computer in the Columbia University Computer Center machine room some time between 1964 and 1968, operator John Szallasi at the console. The IBM 709x series are the 36-bit machines on which LISP was developed; its 18-bit halfwords were perfect for CARs and CDRs. This is the machine that inspired DEC's first 36-bit machine, the PDP-6, which was followed by the PDP-10 and DEC-20.

Photo: Columbia University Archive.

Here are some other, non-Columbia IBM 7094 images; click the first one to enlarge, the others are already shown full-size.

The MIT 7094 machine is running MIT's Compatible Time Sharing System (CTSS), arguably the first timesharing system, which was later countered by MIT's PDP-10 based Incompatible Timesharing System (ITS).

IBM 7094 relics from the collection of Paul Pierce:

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