Question: Who is older, Gordon Ada or Nikita Melnikov?
Sentence (from "Gordon Ada"): Gordon Leslie Ada AO, FAA( 6 December 1922 – 25 September 2012) was an Australian biochemist best known for his seminal contributions to virology and immunology and his long leadership of the Department of Microbiology at the John Curtin School of Medical Research at the Australian National University, where Peter C. Doherty and Rolf Zinkernagel performed their Nobel winning research in his department.
Relevant evidence: Yes