Dr. James C. Todd (1908) published a laboratory guide "Manual of Clinical Diagnosis" later on with Dr. Arthur Sanford entitled "Clinical Diagnosis by Laboratory Methods" in its 6th edition
In 1915, the State Legislature of Pennsylvania enacted a law requiring all hospitals and institutions to have an adequate laboratory and to employ a full-time laboratory technician
Dr. William H. Welch became the first professor of pathology at John Hopkins University and established laboratories for bacteriology and autopsies in 1885
In 1922, the University of Minnesota was one of the first schools to train laboratory workers with a course bulletin titled "Courses in Medical Technology for Clinical and Laboratory Technicians"