Brought to the U.S. in the 1930s, which school of psychology has a name that is German for "shape" or "form"?

Brothers Frank and Joe have been solving mysteries since 1927's "The Tower Treasure" in which book series? Brothers Robert, Edward and James founded which company, maker of Band-Aid bandages, in 1886? Brothers Tom and David Gardner started which investment guide on America Online in 1994? Brought to Australia thousands of years ago, which wild dog is now the continent's largest land predator? By what vote did the Supreme Court decide Brown v. Board of Education in May 1954? Which president told FEMA director Michael Brown in 2005, "Brownie, you're doing a heck of a job"? Abolitionist John Brown's home in Pennsylvania was a station on what? Brownsville, Oregon, stood in for Castle Rock in which 1986 film about four boys on a trek through the woods?