Karl Ludwig Friedrich (Karl) Reichenbach, Freiherr von Reichenbach (1788–1869)
German chemist, industrialist, and naturalist. DPhil., Tübingen, 1821. Worked on coal-tar and wood-tar derivatives, and on geomagnetism, and established a metallurgical factory. After retirement from industry, developed the idea of a life principle, which he called ‘Od’, after the Norse god, Odin.