This daguerreotype portrait by the pioneering Boston studio of Albert Sands Southworth and Josiah Johnson Hawes captures social reformer Dorothea Dix in a composed, seated pose. Known for their masterful use of light and shadow, the duo renders Dix with a dignified stillness that reflects her determined character and her tireless advocacy for the mentally ill and prison reform. The intimate scale and luminous detail characteristic of the daguerreotype medium lend the image a striking sense of immediacy and psychological depth.