"If billionaires liked to party as much with scientists as they do movie stars, we might be in a moment of great scientific progress," reflects Gabriel Hammond. To be sure, the movie stars usually win and Gabriel, 37, and his brother, Daniel, 33, are prime examples. Having made their billions on Wall Street, the pair have poured many millions into the movie business during the past two years for a very basic reason: They love movies. And they are weathering the fiscal…
