Question: Who is older, Johann Wilhelm Andreas Pfaff or Irina Mikhailovna Raievskya?
Sentence (from "Johann Wilhelm Andreas Pfaff"): Johann Wilhelm Andreas Pfaff( 5 December 1774 – 26 June 1835), was professor of pure and applied mathematics successively at Dorpat, Nuremberg, Würzburg and Erlangen.
Relevant evidence: Yes