Best Early 1900s

Victor Grignard was a French chemist whose work fundamentally changed organic chemistry. He developed Grignard reagents, compounds of magnesium that react with carbon-containing molecules to form new ones. This method proved exceptionally useful for synthesizing complex organic compounds, particular...

Francis William Aston developed innovative techniques in analytical chemistry centered around mass spectrometry. His work significantly advanced our understanding of elemental isotopes and their relative abundances. Aston’s precise measurements were crucial for scientific research and industrial app...

Paul Sabatier was a prominent French chemist active in the early 20th century. His research centered on catalysis, specifically hydrogenation reactions. He developed the Sabatier process, utilizing metal catalysts to convert carbon dioxide and hydrogen into methane – a foundational technique with ap...

Adolf von Baeyer (1835-1917) was a prominent German chemist whose research significantly advanced the field of organic chemistry. He is best known for his pioneering work in synthesizing indigo dye and investigating complex organic molecules like hydrocyanic acid derivatives. His investigations into...

Eduard Buchner was a German chemist whose research fundamentally shifted biochemical understanding. He proved that alcoholic fermentation—previously believed to necessitate intact yeast cells—could be achieved through yeast extracts alone. This work established the importance of enzymes in biologica...

Henri Moissan was a late 19th and early 20th-century French chemist recognized for his pioneering work in inorganic chemistry. He successfully synthesized elemental fluorine through high-temperature reactions, a groundbreaking achievement that earned him the Nobel Prize in Chemistry. His research si...

Theodor Svedberg was a prominent Swedish chemist active primarily in the early 20th century. He is recognized for pioneering ultracentrifugation, a technique used to study and separate subatomic particles like proteins and colloids. His work significantly advanced physical chemistry and provided cru...

Otto Wallach was a prominent chemist specializing in organic chemistry during the early 20th century. He is recognized for pioneering work with terpenes and alicyclic compounds, notably investigating their structures and properties. His research significantly advanced understanding of fats and relat...

Adolf Windaus (1876-1952) was a German chemist recognized globally for pioneering work in organic chemistry, particularly concerning sterols. His research significantly advanced understanding of these compounds and their derivatives. He developed methods for synthesizing vitamins and contributed sub...

Heinrich Otto Wieland (1867-1955) was a German chemist who pioneered steroid chemistry, isolating and characterizing key compounds like cholesterol and plant sterols, earning him the 1927 Nobel Prize in Chemistry.

Richard Adolf Zsigmondy (1865-1929) was an Austrian physical chemist who developed the ultramicroscope, enabling the visualization and measurement of extremely small particles like colloids, for which he received the Nobel Prize in Chemistry in 1925.

Millie De Leon was an early twentieth-century American burlesque performer credited with originating the practice of playfully tossing her garter belt into the audience.

Fritz Pregl (1869–1930) was an Austrian chemist and physician whose work revolutionized analytical chemistry. He developed the method of quantitative organic microanalysis, which allowed scientists to accurately measure the chemical composition of tiny samples. This innovation solved a major bottlen...

Arthur Harden was a British biochemist who shared the 1929 Nobel Prize in Chemistry with Hans von Euler-Chelpin for their work on the fermentation of sugar and fermentative enzymes. He was specifically recognized for elucidating the role of phosphorylation in carbohydrate metabolism. His research si...

Hans von Euler-Chelpin (1873-1964) was a German-born Swedish biochemist who spent most of his career at Stockholm University. He received the 1929 Nobel Prize in Chemistry, sharing it with Arthur Harden for their investigations into the fermentation of sugar and fermentative enzymes. His research fo...

The Sullivan-Considine Circuit was a prominent vaudeville booking network founded by John Sullivan and John Considine in the early 1900s. The circuit operated primarily in the Pacific Northwest and western Canada, managing a chain of theaters that provided continuous live entertainment to urban popu...