By A Mystery Man Writer
In addition to being a famous author and humorist, American writer Mark Twain was also responsible for inventions like the adjustable bra strap.
Mark Twain invented bra clasps.
How Mark Twain's Hatred of Suspenders Drove Him to Invent, Smart News
What Were Mark Twain's Inventions?
The Gilded Age by Mark Twain - Penguin Books Australia
Mark Twain's Memory-Builder: a game for acquiring and retaining all sorts of facts and dates: the original three piece game / written and designed by Mark Twain. New York: Charles L. Webster
How Mark Twain's Hatred of Suspenders Drove Him to Invent, Smart News
Mark Twain's Patented Inventions for Bra Straps and Other Everyday Items
Mark Twain Loses Money Backing The Paige Compositor : History of Information
Tesla and Twain, Studio 360