He didn't! Marshmallows are actually named after the marsh mallow plant, from which they were originally made as a medicine. He's just the one who figured out how to make them into the lovable cylinder we know and love today.
no
NO
Newton did not actually invent anything besides his three laws of motion.
no
besides the euphonious theorem, the Pythagorean screw
I dont't know
no
no they actually didnt
no thomas newcomen did not invent and thing besides a steam engine
yes, peeps!
NO Laszlo Biro did not invent anything else besides the ball point pen. He invented the ball point pen in 1938.
he was int the middle of inventing the fusors but he sadly died of pneumonia