"Who's Who in America" is a biographical dictionary published by Marquis Who's Who, profiling prominent and influential living Americans across various fields. Established in 1898 by Albert Nelson Marquis, it aims to document leaders who significantly impact American society, including their career, education, civic activities, awards, and other personal data

. The publication is considered a reputable and authoritative reference work, widely used by libraries, universities, and researchers. It includes notable figures from diverse sectors such as politics, science, business, art, and more. Selection for inclusion is based on notable achievements and positions of influence, not on wealth, social status, or payment, and involves editorial review to ensure the individual's significance

. Over time, Marquis Who's Who has expanded to include various specialized editions like Who's Who of American Women , Who's Who in American Politics , and Who's Who in Science and Engineering , among others

. Although generally respected, the publication has faced some criticism regarding the accuracy of self-reported information and occasional inclusion of less qualified individuals

. In summary, "Who's Who in America" serves as a comprehensive directory of distinguished Americans whose accomplishments and leadership shape the nation's development