Robert Ingersoll was a prominent American orator, lawyer, and agnostic during the late 19th century. Born on August 11, 1833, he became known for his eloquent speeches advocating for free thought, secularism, and the separation of church and state. Ingersoll was a key figure in the American freethought movement and often challenged religious dogma in his public addresses. Ingersoll's writings and speeches emphasized reason and humanism, making him a popular figure among those who questioned traditional beliefs. He was also an advocate for social reforms, including women's rights and the abolition of slavery. His legacy continues to influence discussions on religion and philosophy today.