Who was the Nazi doctor who sewed dead people together?

The Nazi doctor known for sewing together dead bodies was Dr. Josef Mengele. He conducted horrific experiments on prisoners at Auschwitz concentration camp during World War II, including grotesque surgeries that involved stitching together living and deceased individuals. Mengele's actions epitomized the brutal inhumanity of medical experimentation during the Holocaust. He became infamous for his lack of regard for human life and the suffering he caused.