What obstacles did Charles drew have to overcome?

Charles Drew faced several obstacles in his career, including racial discrimination in the medical field, limited opportunities for African American professionals, and challenges in gaining recognition for his groundbreaking work in blood transfusion and blood banking. Despite these obstacles, Drew persevered and made significant contributions to the field of medicine, revolutionizing the way blood is collected, stored, and transfused. His legacy continues to inspire future generations of medical professionals.