Wow, sad indeed. Allen was one of the guys who believed in constant current sources and shunt regulators and all that good stuff, and he was always generous in sharing his knowledge. He was also a shooting buddy of mine. We only got to shoot together once (I remember him going nuts over my 1911s), but he used to send me great stories of the thrill he had in becoming a Swiss citizen and taking his rifle out for yearly competitions sponsored by the Swiss government. The man definitely had a passionate approach to life. Vale, Allen.
