How was William N. Lipscomb awarded the Noble Prize?

Name: William N. Lipscomb. 
Country: United States.
Date of Birth: 9 December 1919.
Date of Death: 14 April 2014.
The subject of Study: Borane, Boron, Chemical bonding.
Noble Prize Year: Nobel Prize for Chemistry in 1976 for their research on the structure and bonding of boron compounds and the general nature of chemical bonding.