Hagen Graf was born in July 1964. Born and raised in Lower Saxony, Germany, his first contact with a computer was in the late seventies with a Radioshack TRS 80. As a salesperson, he organized his customers' data by programming suitable applications. This gave him a big advantage over other salesmen. With the intention of honing his skills, he joined evening courses in programming and became a programmer. Nowadays he works in his wife's consulting company as a trainer, consultant, and programmer (http: //www.cocoate.com). Hagen Graf has published other books in German, about the Apache web ser...