Death · 1 November 1993
Death of Severo Ochoa
Severo Ochoa died in Madrid on 1 November 1993. The biochemist and enzymologist shared the 1959 Nobel Prize in Physiology or Medicine with Arthur Kornberg. His research, including work on polynucleotide phosphorylase, contributed to the study and synthesis of nucleic acids.

Credit and rights
Irwin Gooen (New York University) / Wikimedia Commons · Public domain
Original source · LicenceDocumentary sources
- Severo Ochoa (1905–1993): The man behind RNA
Singapore Medical Journal / PubMed Central · Historical date : 1993-11-01
Historical note. The anniversary date is distinct from later discoveries and publications.