Definition of Mather, John Cromwell in US English:

Mather, John Cromwell

proper noun

  • (born 1946), US astrophysicist. His work with George Smoot on the COBE project advanced the study of the Big Bang theory. Nobel Prize for Physics (2006), shared with Smoot.

Pronunciation

Mather, John Cromwell

/ˈmaT͟Hər/