S2 Spreadsheet
Encyclopedia
S2 Spreadsheet was a Lotus 1-2-3
Lotus 1-2-3
Lotus 1-2-3 is a spreadsheet program from Lotus Software . It was the IBM PC's first "killer application"; its huge popularity in the mid-1980s contributed significantly to the success of the IBM PC in the corporate environment.-Beginnings:...

 compatible spreadsheet developed by IBM
IBM
International Business Machines Corporation or IBM is an American multinational technology and consulting corporation headquartered in Armonk, New York, United States. IBM manufactures and sells computer hardware and software, and it offers infrastructure, hosting and consulting services in areas...

 in 1984. It had all the features of Lotus 1-2-3, plus it had an ability to connect to IBM mainframes via TCP/IP and pull data from IBM databases such as IBM DB2
IBM DB2
The IBM DB2 Enterprise Server Edition is a relational model database server developed by IBM. It primarily runs on Unix , Linux, IBM i , z/OS and Windows servers. DB2 also powers the different IBM InfoSphere Warehouse editions...

 and IBM SQL/DS. It also had features that allowed for easy visual connection between formulas and their dependencies - those features were later adopted by Lotus 1-2-3 and Microsoft Excel
Microsoft Excel
Microsoft Excel is a proprietary commercial spreadsheet application written and distributed by Microsoft for Microsoft Windows and Mac OS X. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications...

. S2 was developed almost concurrently with Lotus development of 1-2-3, and matched 1-2-3 feature for feature. The S2 program was used throughout IBM in 1980s and 1990s. In 1986 it caused a legal controversy within IBM because of then current look-and-feel lawsuits between Lotus and other companies, and most importantly because IBM was negotiating a high profile deal with Lotus to market Lotus 1-2-3.

According to a PC WEEK article of 1986 and a subsequent one in 2009 , the sole author of this program was a developer in Thomas Watson Research Center, Oleg Vishnepolsky
Oleg Vishnepolsky
Oleg Vishnepolsky is the author of IBM's S2 Spreadsheet. Vishnepolsky also authored TCP/IP stacks for OS/2 and IBM POS terminals. He also is known as an aphorist , , - S2 spreadsheet :...

. Vishnepolsky developed this program unaware of the brewing deal between IBM and Lotus, and distributed it within IBM community to close to 50,000 users by the time of the controversy. A copy of his program ended up with a reporter of PC Week, who published an article speculating that IBM and Lotus' deal may be coming apart. That article caused a consternation within IBM executive quarters and attorneys.

IBM attorneys and executives in the end decided that the program does not violate the Lotus copyright. Given S2's wide adoption within IBM they decided not to withdraw it from use, and let Vishnepolsky to continue its development. Vishnepolsky however lost interest in further development of S2, moved to another project and later authored TCP/IP for OS/2
OS/2
OS/2 is a computer operating system, initially created by Microsoft and IBM, then later developed by IBM exclusively. The name stands for "Operating System/2," because it was introduced as part of the same generation change release as IBM's "Personal System/2 " line of second-generation personal...

 and IBM POS terminals. S2 spreadsheet got ported to OS/2 and AIX by other developers and remained in use through the 90s. Vishnepolsky reportedly said that instead of getting fired from IBM he received an outstanding technical achievement award from IBM CEO John Fellows Akers
John Fellows Akers
John Fellows Akers is a U.S. businessman. At IBM, he was president between 1983 and 1989, the CEO from 1985 until 1993; and chairman between 1986 and 1993....

in 1992.
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