Referring to the very epitome of physics as an engineer may appear humorous. However, there is a serious case for it. What would you call somebody who worked in a patent office as a technical expert for seven years, held a number of patents himself on refrigeration, self-adjusting cameras, and electric motors, and explained the photoelectric effect, i.e., the principle now behind photodiodes ? Also, Einstein's father was an engineer-I am not suggesting that engineering is a genetic disease, but engineering was in the family; moreover, Albert Einstein took-and failed-an entrance exam to study electrical engineering in Zurich. Despite being renowned as one of the most abstract thinkers of the 20th century, Einstein was also very interested in...