Ultra-linear amplifiers, stereophonic sound, and the radar system that helped Britain win World War II have something in common —they’re all inventions of the same man, English electronics engineer Alan Dower Blumlein.
Blumlein was born in 1903 in London. It is said that his passion for electronics started very early in his life, having supposedly repaired his father’s doorbell at the age of seven. He got a bachelor’s degree in Science with first-class honors in 1923 and started working for the Western Electric Company in 1924. There, he designed weighting networks and improved analog telephony with a renewed load coil that avoided loss and crosstalk in long-distance lines.
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