The Pulitzer Prizes for 1961 are:.

Ammonia is a compound composed of one nitrogen atom bonded to three hydrogen atoms.

The Wikipedia page for Associated Press offers an overview and detailed information about the Associated Press (AP), which is one of the largest and most renowned news agencies in the world.

NASA (National Aeronautics and Space Administration) is an independent agency of the United States federal government responsible for the country's civilian space program and for aeronautics and aerospace research.

ProPublica , legally Pro Publica, Inc.

The Pulitzer Prize is an esteemed award in the United States that recognizes distinguished achievements in journalism, literature, music, and drama.

The Pulitzer Prize for Investigative Reporting has been awarded since 1953, under one name or another, for a distinguished example of investigative reporting by an individual or team, presented as a single article or series in a U.

The Selma to Montgomery marches were a series of three protest marches that took place in 1965 in Selma, Alabama.