Charles R. Drew hurt his leg when he was in college. Doctors at the hospital helped make his leg better. Drew decided to be a doctor so he could help other people, too.
Sometimes people need new blood to make them better when they get sick or injured. Dr. Drew found a way to save blood so that it could be used later. He put the saved blood in blood banks. A blood bank keeps blood. Dr. Drew's idea of blood banks continues to save lives every year.
Dr. Drew wanted to help other people. Do you think he did this?