Joseph Swan's research led to developments in photography and the invention of a practical incandescent light bulb

100th Anniversary: Joseph Swan's Death

125th Anniversary: Michel Eugène Chevreul’s Death
Michel Eugène Chevreul, born in Angers, France, on August 31, 1787, is best known for his research into fats

80th Anniversary of Fritz Haber's Death
Fritz Haber, who received the 1918 Nobel Prize in Chemistry for the synthesis of ammonia from its elements, died January 29, 1934

75th Anniversary: Lysergic Acid Diethylamide (LSD)
Lysergic acid diethylamide (LSD) was first synthesized November 16, 1938, by Albert Hofmann

120th Birthday: Sir Christopher Ingold
120th Birthday of Sir Chistopher Ingold, one of the chief pioneers of physical-organic chemistry

75th Birthday: Ryoji Noyori
Ryoji Noyori, Nobel Prize laureate 2001, celebrates his 75th birthday

100th Birthday: Mildred Cohn
A biochemist who overcame religious and sexual discrimination

100th Anniversary: Clemmensen Reduction
The Clemmensen reduction of ketones and aldehydes is the simplest direct method for converting the carbonyl group into a methylene group

25th Anniversary: Louis de Broglie's Death
Louis de Broglie is best known for his theory of the wave-particle duality of matter

150th Birthday of Agnes Pockels
Agnes Pockels was a pioneer in the field of surface tension and the measurement of surface films