Editor's note: He was dyslexic and grew up among harsh racial segregation. Yet this kid who struggled to read and write is remembered as one of the most articulate sports figures of all time. Rap fans, say a little “thank you” to the man who started it all with his riffs like “Float like a butterfly, sting like a bee/His hands can’t hit what his eyes can’t see.” He was our favorite boxer and we miss him. Help us pay tribute to the Greatest with some stunning Muhammad Ali wallpapers.