Who is most known for practicing Euthanasia and where is he now?

Dr. Jack Kevorkian is most known for practicing euthanasia, as he gained notoriety in the 1990s for assisting terminally ill patients in dying through physician-assisted suicide. He was often referred to as "Dr. Death" due to his controversial methods and public advocacy for euthanasia. Kevorkian was convicted of second-degree murder in 1999 and served eight years in prison before being released in 2007. He passed away on June 3, 2011, at the age of 83.