Eli Janney's automatic version of which railroad device replaced the dangerous link-and-pin type?

Around 1870, Christopher Sholes and partners developed the first practical version of which machine, with a QWERTY keyb… In the early 1870s, which plant breeder developed his famous potato on farmland in Massachusetts? Which sharpshooter beat her future husband, marksman Frank Butler, in a shooting match? Around 1890, which Scottish author bought an estate in Samoa that he called Vailima, or "five streams"? 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, which inventor built a giant electrical coil but never completed a planned worldwide wireless transmitter? Around 1900 in Kansas, which temperance crusader began attacking saloons with a hatchet?