German chemist, pharmacists, and botanist invented the "Pfeffer cell" to measure osmotic pressure

100th Anniversary: Death of Wilhelm Pfeffer

100th Anniversary: Death of Julia Lermontova
First Russian female doctor in chemistry

100th Anniversary: Death of Mitsuru Kuhara
First President of the Tokyo Chemical Society, a predecessor of the Chemical Society of Japan

150th Anniversary: Death of Otto Linné Erdmann
German chemist best known for his work on nickel, dye-stuffs, and the determination of atomic weights

150th Anniversary: Death of Thomas Graham
British chemist considered one of the founders of colloid chemistry

25th Anniversary: Death of Richard Laurence Millington Synge
Nobel Laureate in Chemistry in 1952, honored for the invention of partition chromatography

175th Anniversary: Death of John Dalton
English chemist pioneered modern atomic theory

100th Anniversary: Death of Lord Rayleigh
Nobel Laureate co-discovered argon and explained the phenomenon of Rayleigh scattering

225th Anniversary: Death of Antoine Lavoisier
French nobleman considered the father of modern chemistry

100th Birthday: Donald J. Cram
Chemistry Nobel Laureate and a pioneer of host–guest chemistry