Inventors and Scientific Discoveries

Thomas Jefferson is credited with inventing the swivel chair, which he used while drafting the Declaration of Independence.

Fielding and Chavannes were attempting to create a textured, three-dimensional plastic wallpaper by sealing two shower curtains together. The product failed as wallpaper but was later repurposed as packaging material.

Michael Jim Delligatti was a McDonald's franchise owner in Pennsylvania who invented the Big Mac in 1967 to appeal to customers with larger appetites.

Marie Curie, along with her husband Pierre, discovered the elements polonium and radium in 1898. She was a pioneering physicist and chemist born in Poland.

Cai Lun is traditionally credited with the invention of the papermaking process in China during the Eastern Han period, which revolutionized record-keeping.

When Edison successfully recorded sound on his phonograph in 1877, the first words he recited were the opening lines of the nursery rhyme Mary had a little lamb.

Electricity was discovered and studied by many scientists over centuries, such as Benjamin Franklin and Michael Faraday, long before Edison was born. Edison's contributions were in the practical application and commercialization of electrical systems.

Charles Babbage designed the Analytical Engine, a mechanical general-purpose computer, in the 19th century, earning him the title Father of Computers.

Satoshi Tajiri is the creator of Pokémon, inspired by his childhood hobby of collecting insects and his desire to share that experience with children living in urban areas.

Gottlieb Haberlandt is widely regarded as the father of plant tissue culture. In 1902, he first proposed the concept of totipotency and attempted to culture isolated plant cells in vitro.

Gottlieb Haberlandt (misspelled as 'Herblandnt') is regarded as the father of plant tissue culture because he was the first to isolate and culture plant cells in nutrient solutions.

Julius von Sachs, an influential German botanist, first demonstrated that chlorophyll is localized within distinct cellular bodies (later named chloroplasts) and showed that starch is produced there during photosynthesis.

In 1953, James Watson and Francis Crick proposed the double-helix structure of DNA, which revolutionized our understanding of molecular biology.

The concept of ecological pyramids was developed by Charles Elton in 1927, which is why they are also frequently referred to as Eltonian pyramids.

Rudolf Virchow added the key tenet to the cell theory that all cells arise from pre-existing cells ('Omnis cellula e cellula'). This refuted the idea of spontaneous generation and established that cell division is the basis of reproduction and growth.