Kurt Zosel, Germany, first patented supercritical fluid extraction in 1963; answer to Guess the Chemist (15)

50th Anniversary: Supercritical Fluid Extraction

200th Anniversary: Anders Ekeberg’s Death
Anders Ekeberg discovered the element tantalum despite being partially sighted and deaf; answer to Guess the Chemist (14)

145th Birthday: Theodore William Richards
Theodore W. Richards provided accurate masses for 30 elements, the first experimental evidence of isotopes; answer to Guess the Chemist (13)

145 Years of Dynamite
Dynamite was invented by Alfred Nobel after an accident at a nitroglycerin factory killed his brother; answer to Guess the Chemist (11)

350th Anniversary: Blaise Pascal's Death
Blaise Pascal contested the idea that nature abhors a vacuum and is the answer to Guess the Chemist (8)

10th Anniversary: Archer Martin's Death
Celebrating the life of A. Martin, pioneer of partition chromatography and answer to Guess the Chemist (7), on the anniversary of his death

100th Anniversary of the Discovery of X-ray Diffraction
X-ray diffraction proved that X-rays are waves and the space lattice theory of crystals. Its discoverer is the answer to Guess the Chemist (6)

100th Birthday of Herbert C. Brown
Herbert C. Brown won the Nobel Prize for his work on organoboranes and hydroboration; also the answer to Guess the Chemist (5)

150th Anniversary of First Pasteurization Test
Louis Pasteur, invented pasteurization and proved the germ theory of disease. He is also the answer to Guess the Chemist (4)

Curiosity Drives Scientific Observations
Albertus Magnus (c. 1200–1280) was a medieval naturalist and polymath who aimed to fully understand the knowledge of his time and present it clearly in textbooks