Called "the man who invented casual" by Bing Crosby, which cardigan-clad crooner died in 2001?

Called the "American Sherlock Holmes," William J. Burns solved the 1910 bombing of which California newspaper? Called the eighth natural wonder of the world, what stretches over 1,200 miles off Australia's east coast? Called the Ellice Islands until 1975, which Pacific nation has the internet domain code .tv? In 1849, which woman became the first to earn a medical degree in the United States? Called the most energetic form of electromagnetic radiation, what turned Bruce Banner into the Hulk on film in 2003? Which British singer had her first U.S. No. 1 hit with "Downtown"? Called the "Napoleon of the piano," which Hungarian virtuoso played about 1,000 concerts in less than 10 years? Called the "Ragin' Cajun," which Louisiana lawyer helped get Bill Clinton elected in 1992 with partner Paul Begala?