Dr. William Castle; Pioneer in Anemia Research

Dr. William Bosworth Castle, 92, a pioneer researcher in anemia and sickle cell anemia. Working at Boston City Hospital during the 1920s, he discovered the cause of pernicious anemia, then a fatal disease. Later named head of the Rockefeller Commission for the Study of Anemia in Puerto Rico, Castle introduced a new treatment for tropical sprue and improved the treatment for hookworm anemia. In Boston on Aug. 9 of heart failure.