About the Technical Reviewer

WOLFGANG BREITLING was born in Stuttgart, Germany, and studied mathematics, physics, and computer sciences at the University of Stuttgart. He joined IBM Germany in 1974 in the development laboratory, where he worked in the QA department. One of his tasks was to co-develop an operating system to test the hardware of the /370 model machines developed in Boeblingen, Germany, and Poughkeepsie and Endicott, New York.

His first direct foray into performance-related tasks was a program to test the speed of individual operating codes. After IBM Germany, he worked as a systems programmer on IBM's hierarchical databases DL/1 and IMS for a company in Switzerland before emigrating to his current home in Calgary, Canada. After ...

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