It's funny how when The holodeck first came on the scene it was welcomed with fascination and possibility. Now, it is derided as a magnet and hangout for crewmen who cannot get laid. Who get it on with tricks of light and get jealous when others of their kind brag of having had the same. But every once in a while, The Holodeck rises above the mockery and shame by offering a decent character. Professor Moriarty in TNG, being one and, of course, Leonardo da Vinci in VOY. Both characters brilliant and engaging and yet ...On the next episode of Voyager: A simulation of Khan merges with Leonardo da Vinci in a terrible holodeck accident and takes over the ship