Christian de Duve was a renowned Belgian biochemist who made significant contributions to the field of cell biology and biochemistry. He is best known for his discovery of lysosomes and peroxisomes, organelles that play crucial roles in cellular metabolism and waste processing. His groundbreaking research provided insights into how cells maintain their internal environment and eliminate waste, contributing to our understanding of various diseases and cellular functions. Throughout his career, de Duve received numerous accolades for his work, including the Nobel Prize in Physiology or Medicine in 1974, which he shared with George Palade and Albert Claude. His findings not only advanced scientific knowledge but also opened new avenues for research in medicine and biology, influencing studies related to cell function and disease mechanisms. In addition to his scientific achievements, de Duve was a passionate advocate for the responsible use of science for the betterment of humanity. He emphasized the ethical implications of scientific work and the importance of communicating scientific knowledge to the public. His legacy continues to inspire scientists and researchers in the fields of biochemistry and cell biology. Christian de Duve was a prominent Belgian biochemist renowned for his discovery of crucial cellular organelles. He received the Nobel Prize in 1974, highlighting his significant contributions to understanding cell metabolism. De Duve also advocated for responsible scientific practices, emphasizing the ethical duties of researchers toward society.