What is dr Charles drew best known for?

Charles Richard Drew (June 3, 1904–April 1, 1950) was an African-American physician, surgeon, and medical researcher. He is best known for his pioneering work in the field of blood banking and for developing the first large-scale blood bank.

During the war, he was instrumental in the development of blood plasma, dried plasma, and blood storage, which proved invaluable to the treatment of wounded soldiers and saved thousands of lives. He also served as the director of the American Red Cross Blood Bank and the associate director of the National Research Council's Committee on Transfusions.

In addition to his work on blood banking, Dr. Drew was a dedicated medical researcher who made significant contributions to the understanding of blood diseases and other medical conditions. He also authored several important medical textbooks and articles.