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Background Information

Employment History

Chief Programmer



Micro Pro Inc


Volunteer and Board Member
Habitat for Humanity Calaveras County

Web References (13 Total References)

IMSAI Pre-history [cached]

" MONITOR") operating system version 1.2. IMSAI's Chief Programmer Rob Barnaby came on board at IMS Associates in late 1976 and worked closely with Gary for about 4 months, writing the I/O routines and embellishing some of Gary's original PL-1 source code.

Barnaby quickly absorbed the full extent of knowledge and performance of the development system and was soon clamoring for more computing and development power.

The Official IMSAI Web Site [cached]

Robbie's shown whipping up a batch of strawberry daiquiri's for us.

IMSAI's former Marketing Manager Seymour Rubinstein went on to found MicroPro International, along with former IMSAI Chief Programmer Rob Barnaby to eventually create and market, among a number of early and successful software applications , WordStar, once the most popular word processing program in the world.

Quote from Arthur C. Clarke on ... [cached]

Quote from Arthur C. Clarke on meeting Seymour Rubenstein and Rob Barnaby, the inventors of Wordstar.

Seymour Rubenstein and Rob Barnaby
Software programmer Rob Barnaby was convinced to leave IMSAI and tag along with Rubenstein to join MicroPro.
Rob Barnaby wrote the 1979 version of WordStar for CP/M.

Digibarn Systems: IMSAI PCS 80/30 Wordstar Development System (Rob Barnaby) [cached]

[IMG] IMSAI PCS 80/30 | [IMG] Our | IMSAI 80/30 from Rob Barnaby Digibarn Systems: IMSAI PCS 80/30 Wordstar Development System (Rob Barnaby)

Thanks to Rob Barnaby for his kind donation of this operational IMSAI PCS 80/30 system. This is a very special system and Rob is a very special guy. Rob developed Wordstar (first two versions) while at Micropro in the mid to late 1970s and it was developed on this very machine!
Our interviews with Rob Barnaby and his live demo of WordStar on the original IMSAI PC 80/30

Software Patents and the Information Economy [cached]

{34} Rob Barnaby, a programmer, claims that he wrote most of the code for Wordstar while working for another company, IMSAI. [31] Barnaby's program was a masterful tour de force, packing a full blown word processor into a tiny 64k CP/M machine. According to John Judis, "when Barnaby, repelled by Micropro International's corporate culture, quit, the firm's team of programmers were unable to master and improve Barnaby's code.

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