*He was best known for his seminal contributions to the theory of the structure of [[star]]s and on the origin of the chemical elements in stars. He was a joint proponent of the [[Steady-State]] model of the universe. | *He was best known for his seminal contributions to the theory of the structure of [[star]]s and on the origin of the chemical elements in stars. He was a joint proponent of the [[Steady-State]] model of the universe. |