Original: He shared a Nobel Prize in Physiology or Medicine in 1968 with Har Gobind Khorana and Robert W. Holley for "breaking the genetic code" and describing how it operates in protein synthesis.
Simplified: He won the 1968 Nobel Prize in Physiology or Medicine, along with Robert W. Holley and H. Gobind Khorana, for work on the genetic code and protein synthesis