There are many inventors during this time but only three stuck out me their names were Thomas Edison , Richard Jordan Gatling, and samuel F.B Morse. Thomas Edison's invention was the light bulb. The impact this invention had on the world was less buildings being burn down and less fires. Samuel F.B Morse's invention was Morse code. this system was used in wars to send messages back and forth just in case the enemy intercepted the message they could not read it. Richard Jordan Gatling's invention was the Gatling gun. this invention changed the wars of the past. this gun can fire over three hundred rounds a minute.