Georges Claude born 1870: invented neon light (US patent US 1,189,664).
Alexander Findlay born 1874: phase rule (including a monograph, The Phase Rule and Its Applications).
Howard Walter Florey born 1898: isolation and growth of penicillin; Nobel Prize (medicine), 1945.
Richard Hadley Holm born 1933: metalloproteins, especially iron-sulfur clusters.
Robert John Kane born 1809: proposed existence of ethyl radical (ethereum) in 1833 (before Liebig).
Severo Ochoa born 1905: discovery of an enzyme involved in biosynthesis of RNA; artificial RNA; Nobel Prize (medicine), 1959.
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