Donald Knuth 2013-05-24-16.04.12

2013-05-24-16.03.242013-05-24-16.03.492013-05-24-16.04.122013-05-24-16.04.592013-05-24-16.10.382013-05-24-16.10.452013-05-24-16.19.29
2013-05-24-16.04.12

[ small | medium | large ]