The old man turned back at his coffee, took a sip, and then looked back at me.... “In fact, I’ve done lots of things ....Oh really? Like what types of things?, ...All the while, half-thinking he was going to make up something fairly non-impressive....I invented the first computer.....Um, Excuse me? ..... I created the world’s first internally programmable computer.... It used to take up a space about as big as this whole room and my wife and I used to walk into it to program it.... What’s your name?”. I asked, thinking that this guy is either another crazy homeless...