Karl Brandt was a German Nazi

Nazi Germany

Nazi Germany , also known as the Third Reich , but officially called German Reich from 1933 to 1943 and Greater German Reich from 26 June 1943 onward, is the name commonly used to refer to the state of Germany from 1933 to 1945, when it was a totalitarian dictatorship ruled by...

 war criminal

War crime

War crimes are serious violations of the laws applicable in armed conflict giving rise to individual criminal responsibility...

. He rose to the rank of SS-Gruppenführer

Gruppenführer

Gruppenführer was an early paramilitary rank of the Nazi Party, first created in 1925 as a senior rank of the SA.-SS rank:...

 in the Allgemeine-SS and SS-Brigadeführer

Brigadeführer

SS-Brigadeführer was an SS rank that was used in Nazi Germany between the years of 1932 and 1945. Brigadeführer was also an SA rank....

 in the Waffen-SS

Waffen-SS

The Waffen-SS was a multi-ethnic and multi-national military force of the Third Reich. It constituted the armed wing of the Schutzstaffel or SS, an organ of the Nazi Party. The Waffen-SS saw action throughout World War II and grew from three regiments to over 38 divisions, and served alongside...

. Among other positions, Brandt headed the administration of the Nazi euthanasia program from 1939 onwards and was selected as Adolf Hitler

Adolf Hitler

Adolf Hitler was an Austrian-born German politician and the leader of the National Socialist German Workers Party , commonly referred to as the Nazi Party). He was Chancellor of Germany from 1933 to 1945, and head of state from 1934 to 1945...

's personal physician in August 1934. In 1942, he became Reich Commissioner for Health and Sanitation. He was involved in criminal human experimentation, along with his deputy Werner Heyde

Werner Heyde

Werner Heyde was a German psychiatrist. He was one of the main organizers of Nazi Germany's T-4 Euthanasia Program.-Education:Heyde completed his Abitur in 1920...

 and others.