The Atom Smasher, X-Rays, Radio, electro-magnetic power, AC electricity, Solar Heating, Vacuum Tubes, Remote Control Vehicles, etc., etc, etc.

Yes, Thomas invented the flush toilet.

One of the most important men in world history. Yet, how many school children know his name and what he invented?

Clary sets out to remove the varnish applied to Goddard's life by his widow and by his good friend Charlies Lindbergh. We discover that Goddard had a flair for self-promotion, that he refused to work with other scientists and that he had a drinking problem.

Marconi was in a race to be the first to discover "wireless" communcation. Some say Tesla was the real inventor of the radio, but at the time, Marconi had the best radio equipment and sent the first radio message across the Atlantic.

Franklin invented the Franklin stove and lightning rods etc. but I was most impressed by his civic innovations.

Eastman's invention allowed customers to take their own pictures.

Samuel F. B. Morse was a painter before he was an inventor and died disappointed in himself.

The father of the frozen food industry.

John Deere's steel plow made the Great Plains farmable.

Apparently the inventor of the "first commercially feasible steamboat" was not a very nice guy. And his folly wasn't the steamboat but an unworkable torpedo he kept trying to foist off on various governments.