Yousuf Karsh was an Armenian-Canadian photographer known for his portraits of famous people. He had a unique ability to capture his subjects in a way that revealed something hidden about their character. Karsh learned photography techniques from his uncle and further developed his skills in Boston and Ottawa. He is renowned for his use of dramatic lighting, often with a strong key light and subtle accent lights, to create moody portraits that brought out the essence of his subjects. Karsh photographed thousands of influential figures over six decades, immortalizing important people and creating a visual record of the 20th century.