chief operating officer. James Weldon Johnson and Walter F. White, who served in that role successively from 1920 to 1958, were much more widely known as NAACP leaders than were presidents during those years. The organization has never had a woman president, except on a temporary basis, and there have been calls to name one. Lorraine C. Miller served as interim president after Benjamin Jealous stepped down. Maya Wiley was rumored to be in line for the position in 2013, but Cornell William Brooks was selected. Departments within the NAACP govern areas of action. Local chapters are supported by the "Branch and Field Services" department and the "Youth and College" department. The "Legal" department focuses on court cases of broad application to minorities, such as systematic discrimination in employment, government, or education. The Washington, D.C. bureau is responsible for lobbying the U.S. government, and the Education Department works to improve public education at the local, state, and federal levels. The goal of the Health Division is to advance health care for minorities through public policy initiatives and education. , the NAACP had approximately 425,000 paying and non-paying members. The NAACP's non-current records are housed at the Library of Congress, which has served as the organization's official repository since 1964. The records held there comprise approximately five million items spanning the NAACP's history from the time of its founding until 2003. In 2011, the NAACP teamed with the digital repository ProQuest to digitize and host online the earlier portion of its archives, through 1972 – nearly two million pages of documents, from the national, legal, and branch offices throughout the country, which offer first-hand insight into the organization's work related to such crucial issues as lynching, school desegregation, and discrimination in all its aspects (in the military, the criminal justice system, employment, housing). Predecessor: The Niagara Movement The Pan-American Exposition of 1901 in Buffalo, New York, featured many American innovations and achievements, but also included a disparaging caricature of slave life in the South as well as a depiction of life in Africa, called "Old Plantation" and "Darkest Africa", respectively. A local African-American woman, Mary Talbert of Ohio, was appalled by the exhibit, as a similar one in Paris highlighted black achievements. She informed W. E. B. Du Bois of the situation, and a coalition began to form. In 1905, a group of thirty-two prominent African-American leaders met to discuss the