Technology and an appreciation of how to use it have always been important to political campaigns. Franklin Delano Roosevelt used radio to get his message across effectively to voters. Lyndon Johnson rode a helicopter to get him around Texas in his famous race for the Senate. John F. Kennedy understood the power of television better than Richard Nixon during the race for the Presidency in 1960. And Republican operatives in the 1970s built direct mail into a fund-raising behemoth that powered party gains for 20 years.

Meet tomorrow's moguls today. For this year's roundup of 25-and-unders, we had a record crop of nominations. Here are a few finalists.