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[[Image:RalphJohnson.jpg|frame|Ralph Johnson]] Ralph Johnson is the third author of the major [[design patterns]] book [[Gang of Four 1995]]. He also proposed [[Johnson and Foote's heuristics]], presented in one of the earliest papers on OO design heuristics, [[Johnson and Foote 1988]]. Ralph Johnson was very involved in the [[Smalltalk]] community early on and continues to support the language. Today, he is a research associate professor in the department of computer science at the University of Illinois. ==See also== *[[Kent Beck]] *[[Christopher Alexander]] *[[Design patterns]] *[[Johnson and Foote's heuristics]]

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