Around 1900, which inventor built a giant electrical coil but never completed a planned worldwide wireless transmitter?

Around 1890, which Scottish author bought an estate in Samoa that he called Vailima, or "five streams"? Eli Janney's automatic version of which railroad device replaced the dangerous link-and-pin type? Around 1890, Thomas Edison campaigned to have which invention named after his rival George Westinghouse? Around 1898, Frederic Remington asked Kicking Bear, a veteran of which battle, to make a painting of it? Around 1900 in Kansas, which temperance crusader began attacking saloons with a hatchet? Writer Monroe Rosenfeld is credited with coining which nickname for the stretch of New York's 28th Street where music p… In the 1920s, archaeologist Gertrude Bell founded a national museum in which city? Around 1904, which Norwegian explorer confirmed that Earth's magnetic north pole is not fixed?