Ida B. Wells was an African-American investigative journalist and civil rights activist. She is best known for her work documenting and exposing the horrors of lynching in the United States. Wells used her platform as a journalist to advocate for racial equality and justice. Her investigative reporting brought attention to the systemic racism and violence faced by African Americans. Wells was a trailblazer in the field of journalism, using her writing to challenge the status quo and fight for social change.