The famous journalist celebrated for their investigative reporting on social issues is Ida B. Wells. Wells was an early civil rights leader and a fearless journalist who focused on exposing the horrifying realities of lynching in America. Her work, including the pamphlet "Southern Horrors: Lynch Law in All Its Phases," challenged the prevailing narratives of racial violence and advocated for justice and equality. Wells' writing and activism paved the way for future generations of journalists to confront social injustices, making her an enduring figure in the struggle for civil rights and social reform.