Robert H. Jackson was an American attorney and judge. He was the associate justice of the United States Supreme Court. Previously, he had also been the United States solicitor general and the United States attorney general. He is the only person to have held all three positions. He is also known for his work at the Nuremberg Trials of the Second World War’s Nazi war criminals as the Chief US Prosecutor. Born in Pennsylvania, he was very brilliant from an early age, and had pleaded his first case when he was still a minor, by a special permission. At just the age of 21, he had become a member of the bar. He eventually became a corporation counsel for Jamestown, New York. After the stock market crash of 1929, he helped the three financial institutions of the city to merge, and became a director of the new unified unit. A strong supporter of former US President Roosevelt, he was also active during his presidential campaign. Later, he was made assistant general counsel of the Bureau of Internal Revenue of the US Treasury. He also served as the US solicitor general and eventually the US attorney general over the course of his career. In July 1941, he was made the associate justice of the US Supreme Court. He passed away in 1954, at the age of 62.