Stephen O. Andersen super-efficient room ACs at an affordable price around the world, and of the team demonstrating secondary-loop motor vehicle air conditioning. Stephen O. Andersen Stephen Oliver Andersen (born 17 January 1948) is the American Director of Research at the Institute for Governance and Sustainable Development (IGSD) and is also Senior Expert Member of the Montreal Protocol Technology and Economic Assessment Panel (TEAP) and former TEAP Co-Chair (1989 - 2012). He is considered one of the founders and leading figures in the success of the Montreal Protocol on Substances that Deplete the Stratospheric Ozone Layer. Andersen was born in Logan, Utah, United
Separation of concerns 1989, Chris Reade wrote a book titled "Elements of Functional Programming" that describes separation of concerns: Reade continues to say, Separation of concerns is crucial to the design of the Internet. In the Internet Protocol Suite, great efforts have been made to separate concerns into well-defined layers. This allows protocol designers to focus on the concerns in one layer, and ignore the other layers. The Application Layer protocol SMTP, for example, is concerned about all the details of conducting an email session over a reliable transport service (usually TCP), but not in the least concerned about how the transport service