Mary Morse Baker Eddy shugabar addinin Amurka ce kuma wacce ta kafa kungiyar Kimiyyar Kirista. An haife ta a 1821 kuma ta mutu a 1910. Kalmar "Mary Morse Baker Eddy" yawanci tana nufin mutumin da kanta, maimakon kowane takamaiman kalma ko magana. Koyaya, “Kimiyyar Kiristanci” shine sunan ƙungiyar addini da ta kafa, wanda ke jaddada warkarwa ta ruhaniya ta wurin addu’a da ƙarin fahimtar dokokin Allah.