The original agreement was written on one page, and called for simple, generous royalty payments to Ratliff. Ashton-Tate was launched as a result of George Tate and Hal Lashlee having discovered Vulcan from Ratliff in 1981 and licensing it (there never was any Ashton). Written in Intel 8080 assembly language, it ran on the CP/M operating system and was modeled on JPLDIS, a Univac 1108 program used at JPL and written by fellow programmer Jeb Long. In 1978, Martin Marietta programmer Wayne Ratliff wrote Vulcan, a database application, to help him make picks for football pools. The history of Ashton-Tate and dBASE are intertwined and as such, must be discussed in parallel.Įarly history: dBASE II (1981–1983) 1.5 dBASE III+ and third party clones (1986–1987).
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