Leone Lattes was the forensic serologist who, in 1915, developed a method for restoring dried blood samples so they could be tested for blood type. In 1932, Lattes developed a method for determining blood type from a dry sample.
Leone Lattes was an Italian forensic scientist who worked as a researcher at the Institute of Forensic Medicine in Turin, Italy, in the early 20th century. In 1901, he published a paper describing the modern method of categorizing blood groups. By 1915, he had successfully developed a method, the antibody test, for assigning samples to each of the major blood types.