Self Portrait (1510)- Also called as Portrait of a Man in Red Chalk, it is thought that Leonardo drew this with red chalk, when he was 60.� It is housed in�Turin, at the�Royal Library, and is not generally viewable by the public due to its fragility and poor condition.�The assumption that it is his self-portrait was made in the 19th�century, based on the similarity of the sitter to his other portraits�and on the high quality of the drawing, consistent with others by Leonardo.�������� *Leonardo di ser Piero da Vinci (1452�1519) was Italian painter, draughtsman, engineer, scientist, theorist, sculptor, and architect. He gained notoriety for his notebooks, in which he produced sketches and notes on a variety of topics, including anatomy, astronomy, botany, painting, and palaeontology, even though his popularity primarily stemmed from his accomplishments as a painter. Only his younger contemporary, Michelangelo, has made a greater impact to following generations of painters than Leonardo, who is widely recognised as a genius and the embodiment of the Renaissance humanist ideal.�