'''Louis Virgil Hamman, M.D.''' (December_21, 1877 – April_28, 1946) was recognized as one of the great clinicians in his time. He was graduated M.D. from Johns Hopkins and after interning at New_York_Hospital he returned in 1903 to his alma mater to become head of the new Phipps Tuberculosis Clinic. He said: "The physician, consciously or otherwise, depends for success in his practice on his abilities as a psychiatrist." Conditions which carry his name: Hamman's_sign, Hamman's_syndrome and Hamman-Rich_syndrome. {{US-med-bio-stub}} Hamman, Louis Hamman, Louis Hamman, Louis Hamman, Louis Pl:Louis_Virgil_Hamman