January 23th |
1872 | Paul Langevin, a researcher on molecular structure of gases, analysis of secondary emission of X-rays from metals exposed to radiation and for his theory of magnetism, was born. |
1876 | Otto Paul Hermann Diels was born. He developed the diene synthesis and practical method for making ring compounds from chain compounds (Diels-Alder Reaction). He won the Nobel Prize (1950) with Kurt Alder for their discovery and development of the diene synthesis. |