who's who

A guidebook includes a who's who of famous scientists.

Definition

1. Noun:
   • A biographical directory: "who's who" refers to a reference book or publication containing short biographies of notable or prominent individuals, often in a specific field or country.
   • A list of important people: By extension, it can mean any compilation or group of influential or famous individuals in a particular context.

Usage Examples

• Biographical directory:

  • She consulted the Who's Who to verify the scientist's credentials. (She looked in the biographical reference book for details.)
  • The library has a copy of Who's Who in America. (The library holds the directory of prominent Americans.)

• List of important people:

  • The guest list read like a who's who of Hollywood. (The list included many famous actors and directors.)
  • At the conference, it was a who's who of industry leaders. (The event was attended by many top executives.)

Advanced Usage

• "a who's who of [something]": a phrase used to describe a group that includes many notable or powerful people in a specific area.

  • The award ceremony was a who's who of the music industry. (The ceremony featured many famous musicians and producers.)

• "the who's who": used to refer to the most important or famous people in a particular field.

  • Only the who's who of academia were invited to the symposium. (Only the most prestigious scholars attended.)

Variants and Related Words

• Who's Who (proper noun): the official title of such a directory (e.g., ).
• Who's-who (hyphenated, adj): used attributively to describe something that lists or includes famous people.
  • The magazine published a who's-who guide to the new tech startups. (A guide listing notable companies.)

Synonyms

• Directory: a book listing individuals with biographical details.
• Register: an official list of names or items.
• Roster: a list of people, especially of a group or organization.

Idioms and Fixed Expressions

• "a who's who": as explained above, a collection of notable people.

  • The event was a who's who of fashion designers. (Many top designers attended.)

• "the who's who of [field]": the most elite or famous individuals in a particular domain.

  • The Nobel Prize ceremony is the who's who of scientific achievement. (The event honors the most accomplished scientists.)

Related Concepts (not direct synonyms)

• Almanac: a yearly publication with general information, often including lists of notable people.
• Biography: a detailed description of a person's life (singular focus, vs. multiple entries in ).