Famous Inventors and Their Inventions

Ts'ai Lun (Cai Lun), a Chinese court official during the Han Dynasty, invented paper around 105 AD. He created paper by mixing mulberry bark, hemp, and rags with water, then pressing and drying the mixture.

George Crum, a chef at Moon's Lake House in Saratoga Springs, New York, invented potato chips in 1853. According to legend, he created them in response to a customer who complained his fried potatoes were too thick.

Frank Henry Fleer invented the first bubble gum in 1906, which he called 'Blibber-Blubber.' Though it was never sold commercially, his invention laid the groundwork for modern bubble gum. The other options are all inventors of different items: Baekeland invented Bakelite plastic, Rohwedder invented bread-slicing machines, and Crum is credited with inventing potato chips.

Jacques Edwin Brandenberger, a Swiss chemist, invented cellophane in 1908. He was trying to create a stain-proof tablecloth but ended up with this transparent, flexible material that revolutionized packaging. Edwin Armstrong invented FM radio, while Binney and Smith created crayons.

Edwin Binney and Harold Smith, founders of Binney & Smith Company, invented Crayola crayons in 1903. They created non-toxic, colorful wax crayons that became a staple for children's art. Cristofori invented the piano, while Wynne created crossword puzzles.

Arthur Wynne, a British journalist working at the New York World, created the first crossword puzzle in 1913. His 'word-cross' puzzle appeared in the Sunday edition and became an instant hit. The other options are inventors in completely different fields: microscopes, temperature scales, and printing.

Ruth Wakefield invented chocolate chips in the 1930s when she cut up chocolate bars and added them to cookie dough at her Toll House Inn. The recipe became an instant classic. Percy Shaw invented cat's eyes for roads, Armstrong worked on FM radio, and Pemberton created Coca-Cola.

Dr. John Stith Pemberton, an American pharmacist, invented Coca-Cola in 1886 in Atlanta, Georgia. He created it as a patent medicine but it evolved into the world's most famous soft drink. The other options are inventors of different items: disposable diapers, dishwashers, and Band-Aids.

Lewis E. Waterman patented the first practical fountain pen in 1884 after losing a sale due to a leaking pen. His design used a gravity-fed ink system with a capillary feed. Franklin was a statesman and inventor but not of pens, Ford invented automobiles, and Fox worked with umbrellas.

Samuel Fox, a British inventor, developed the modern steel-frame umbrella in the 1850s. His 'Fox Frame' umbrellas used a collapsible steel rib design that made them more durable and portable. Foucault worked with pendulums, Franklin with electricity, and Farnsworth with television.

Joseph Gayetty invented the first commercial toilet paper in 1857 in New York. His product was 'Gayetty's Medicated Paper' sold in packs of 500 sheets with aloe vera. The other options are from completely different fields: pantyhose, traffic lights, and astronomy.

Levi Strauss, a German immigrant to America, invented and marketed blue jeans in 1873. He patented the process of riveting pants with Jacob Davis, creating durable workwear that became a cultural icon. Richard James invented the Slinky, Jansky worked with radio astronomy, and Zacharias Janssen with microscopes.

Whitcomb L. Judson invented the 'clasp locker' which later evolved into the modern zipper. He patented his device in 1893, featuring interlocking teeth that could be fastened and unfastened. Henry W. Seeley invented the electric iron, Levi Strauss invented blue jeans, and Humphry Davy is known for the safety lamp and electric arc.

Dr. Percy LeBaron Spencer invented the microwave oven in 1945 while working at Raytheon. He discovered microwave heating when a chocolate bar in his pocket melted near a magnetron. The first commercial microwave (the 'Radarange') was sold in 1947. Elijah McCoy invented lubrication systems, George de Mestral invented Velcro, and Ida Henrietta Hyde was a physiologist.

James Naismith invented basketball in 1891 at Springfield College, Massachusetts. He created the game as an indoor activity for his students during winter. The original 13 rules of basketball were written by him. The other options are: Alfred Nobel (dynamite), Carl Magee (parking meter).

Thomas Moore, an American farmer, invented the first refrigerator in 1803 - a cedar tub insulated with rabbit skins and ice, used to transport butter to market. William Cullen demonstrated refrigeration principles in 1748 but didn't build a practical device. Edwin Budding invented the lawn mower, Jesse Reno invented the escalator.

Walter Hunt invented the safety pin in 1849 and sold the patent for $400 to pay a debt. His design featured a clasp that covered the sharp point, preventing injury. The invention was simple but highly practical and remains essentially unchanged today. Johan Lundstrom invented safety matches, Jonas Salk developed the polio vaccine.

John Montagu, the 4th Earl of Sandwich (1718-1792), is credited with inventing the sandwich. According to popular account, he was a gambler who wanted meat between bread slices to avoid greasing cards while playing. The name 'sandwich' comes from his title. Joseph Priestley discovered carbonated water, Otto Rohwedder invented sliced bread.