Which physicist, who in 1900 postulated that energy is radiated in quanta, has a fundamental constant named for him?

Who wrote the novel "A Confederacy of Dunces"? Which 1850s song, sung by Confederate troops, became a No. 1 hit for Mitch Miller in 1955? Which Missouri congressman, who served from 1977 to 2005, was known for his firm opposition to NAFTA? What is the console of keys on a piano or typewriter called? Which 9-letter constellation, named for a chained princess of Greek myth, begins and ends with the letter A? Which constitutional amendment guaranteeing equal rights for women was sent to the states in the 1970s but fell short o… A consumer product such as a medicine must list its "active" what? What is a humidity-controlled container designed for storing cigars called?