Carl Reichenbach, German chemist and philosopher (died 1869)

Karl Ludwig Freiherr von Reichenbach, known as Carl Reichenbach, was a German chemist, geologist, metallurgist, naturalist, industrialist and philosopher, and a member of the Prussian Academy of Sciences. He is best known for his discoveries of several chemical products of economic importance, extracted from tar, such as eupione, waxy paraffin, pittacal and phenol. He also dedicated his last years to researching an unproved field of energy combining electricity, magnetism and heat, emanating from all living things, which he called the Odic force.