About Carl Eckart
[Wikidata] American physicist (1902-1973)... | [Wikipedia] Carl Henry Eckart was an American physicist, physical oceanographer, geophysicist, and administrator. He co-developed the Wigner–Eckart theorem and is also known for the Eckart conditions in quantum mechanics, the Eckart–Young theorem in linear algebra, and his work on non-equilibrium thermodynamics