Question: Who was born first, John Samuel Bourque or Leopold Horner?
Sentence (from "Leopold Horner"): Leopold Horner( 24 August 1911 – 5 October 2005) was a German chemist who published a modified Wittig reaction using phosphonate- stabilized carbanions now called the Horner – Wadsworth – Emmons reaction( HWE reaction) or Horner- Wittig reaction.
Relevant evidence: Yes