Bartosz Chmielowski, MD, PhD is a Health Sciences Clinical Professor of Medicine in the Division of Hematology-Oncology at the University of California Los Angeles. He is originally Polish and he graduated from the Medical School at Wroclaw, Poland. He moved to the United States to pursue research career in immunology at the Medical College of Georgia in Augusta, GA. He concentrated on studying T cell development in the thymus, especially the processes of positive and negative selection. His…