Biographical Resources: A Research Guide: Who's Who

[previously known as the International Who's Who]. Europa.
Online.
Note:The annual print editions are at the Library Annex CT 120 .I61 +, 1937-2009 (Incomplete).
"World Who’s Who curates and validates biographical information on over 70,000 of the 21st century’s most prominent individuals across all fields of human activity." [from the online title page].

1985- .
Note: For the persons who were included in a Who's Who volume prior to 1985, search for the appropriate title, below, in the Library Catalog and check Who Was Who in print (Library Annex DA 28 .W621).
Profiles of over 1.4 million people are available online, including all entries in the following Marquis print titles since 1985:
Who's Who in America
Who's Who in the World
Who's Who in American History
Who's Who in American Art
Who's Who in American Politics
Who's Who in Science and Engineering
Who's Who in Medicine and Healthcare
Who's Who of American Women.
Note also that online versions of Who's Who in American History, Who's Who in American Art, and Who's Who in American Politics may be searched individually by selecting these title links in the online interface.
User note: Be aware that the entries can be edited by the biographee.

Abridged and revised edition. Oxford University Press, originally published in 1999.
Short biographies of living and deceased persons prominent from the late 19th century to 1999.