As Apple Computer acquired NeXT a year later, they now hold the rights to Objective-C.
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Stepstone, originally named Productivity Products International (PPI), was a software company founded in 1983 by Brad Cox and Tom Love, best known for releasing the original version of the Objective-C programming language.
Objective-C was created primarily by Brad Cox and Tom Love in the early 1980s at their company Stepstone.