Short answers, pulled from the story.
Thomas Edison saved the children in 1862 when he was fifteen years old. He pulled one child to safety just before the wheels crushed the spot where they had been standing.
Edison demonstrated an invention that recorded sound onto tinfoil wrapped around a grooved cylinder in December 1877. The device played back the recording when the cylinder rotated backward against a stylus.
Thomas Edison filed for U.S. patent 223,898 on the 4th of November 1879. He tested many materials including hemp palmetto and grasses before settling on bamboo as the best filament which lasted over twelve hundred hours.
Edison established a laboratory facility in Menlo Park New Jersey within Raritan Township in 1876. Employees worked eighteen hours per day from Monday through Friday plus additional time on weekends while the building was funded by money from the sale of his quadruplex telegraph system.
Thomas Edison built a Kinetoscope peep-hole viewer installed in penny arcades where people watched short films starting in 1891. The first successful tests appeared publicly on the 20th of May 1891 when customers saw Leonard score a knockdown during the final round of the Leonard-Cushing fight.