Dr. John Lang is a prominent figure in the field of medicine, known for his contributions to cardiology. He has dedicated his career to researching heart diseases and improving patient care. Dr. Lang has published numerous articles in medical journals, sharing his findings with the broader medical community. In addition to his research, Dr. Lang is also an educator. He teaches medical students and residents at Harvard Medical School, where he emphasizes the importance of both clinical skills and compassionate patient interactions. His commitment to education helps shape the next generation of healthcare professionals.