Ralph Steinman

Ralph Steinman was a renowned Canadian scientist who made groundbreaking discoveries in immunology, particularly in understanding dendritic cells—specialized immune system components that activate the body's defense against infections and cancer. His research revealed how these cells help the immune system recognize and respond to threats, paving the way for advances in vaccines and immunotherapy. In 2011, Steinman was awarded the Nobel Prize in Physiology or Medicine shortly before his death, highlighting the significant impact of his work on medicine and human health.