noun Usage: often capitalized both Ws Date: 1917 a compilation of brief biographical sketches of prominent persons in a particular field , the leaders of a group ; elite , a listing or grouping of notable persons or things
WHO'S WHO
Meaning of WHO'S WHO in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012