1988 - Charles Glen King died.
1978 - Aerosol Sprays BannedSweden becomes the first nation to ban the use of aerosol sprays which use chlorofluorocarbons (CFCs) as a propellant. CFCs are believed to damage the Earth's ozone layer.
1918 - Gertrude Belle Elion was born.Elion was an American biochemist who shares the 1988 Nobel Prize in Medicine with James Black and George Hitchings for their work in developing drugs for a multitude of diseases and pathogens. Elion and Hitchings designed pharmaceuticals that relied on subtle biochemical differences between healthy cells and the pathogens that affect these cells. The drugs would target the difference and stop or kill the pathogen without harming the healthy cells.
1907 - Hideki Yukawa was born.Yukawa was a Japanese theoretical physicist who was awarded the 1949 Nobel Prize in Physics for his prediction of the meson particles in explaining the forces that hold a nucleus together. The pion particle is an important particle in explaining the strong nuclear force and was first detected by César Lattes in 1947. This discovery verified Yukawa's theories and advanced the understanding of nuclear physics.
1876 - Otto Paul Hermann Diels was born.Diels was a German chemist who shares the 1950 Nobel Prize in Chemistry with Kurt Alder for their development of diene synthesis, otherwise known as the Diels-Alder reaction. A diene is a hydrocarbon with two double bonds. The Diels-Alder reaction converts dienes and alkenes into ring molecules. It is important in the synthesis of many polymers, steroids and alkaloids.
1849 - First Female American to Receive an MD Degree
1810 - Johann Wilhelm Ritter died.
1796 - Karl Karlovich Klaus was born.
Klaus was a Russian chemist who discovered the element ruthenium. He was researching platinum metals or osmium, palladium, iridium and rhodium and found ruthenium in the waste material from a platinum refinery.