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I approached the reading of Big Ear with a great deal of pessimism-expecting to find a dull book written by a scientist/engineer to record his technical biography. I was delighted, however, to find the book interesting, historical, and downright exciting at times. John Kraus is a world-renowned scientist/engineer in the fields of antennas and radio astronomy. This book is a scientific adventure story of his experiences. His career started as a young boy attempting to listen to a distant (40 miles away) radio station on a crystal receiver, and it led to the discovery of the most distant known object in the universe. Along the way, he had interesting encounters with many other well-known scientists, and he traveled through Nazi.Germany and Communist Russia in the 1930’s. The author gives a clear description of the book in his forward: Big Ear is our adventure story of the search for other men and the exploration of the universe-a universe so vast and mysterious it boggles the mind: an astounding, baffling, stranger-than-fiction universe of pulsars, quasars, and black holes. Big Ear is a personal,  behind-the-scenes  account of astronomers,  engineers,  inventors-humans  all-and of their successes and failures. It is a story about the steel and aluminum structures we have raised to probe the cosmos and of our attempt to answer the question “Are we alone?”