Who was the most well known practitioner of voluntary active euthanasia?

Dr. Jack Kevorkian, often referred to as "Dr. Death," is the most well-known practitioner of voluntary active euthanasia. He gained notoriety in the 1990s for assisting terminally ill patients in ending their lives through physician-assisted suicide, claiming to honor their right to choose. His actions sparked widespread debate and led to legal challenges surrounding euthanasia and assisted suicide in the United States. Kevorkian's practices ultimately resulted in his conviction for second-degree murder in 1999.