Filmmaker Alfred Hitchcock directed Psycho, The Birds, North by Northwest, Rear Window, Vertigo, and many other major movies, but started his working life as an engineer. He studied engineering at the London County Council School of Engineering and Navigation and worked as a draftsman before launching a career in movies in the 1920s. (Source: Wikipedia)
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.