She has photographed five Presidents, from Gerald Ford to Bill Clinton. Her coverage also includes First Ladies, political players in each administration, and her colleagues in the press. Walker began photographing the White House as a freelancer for the ‘Washington Monthly’ and the ‘Village Voice’ in the mid-1970’s, and began working for ‘Time’ magazine in the late seventies during the Ford administration. She ended her career on President Clinton’s last day in office. Walker’s book, ‘Public and Private: Twenty Years Photographing the Presidency’ showcases her life’s work.