[Q]: Which mathematician is known in part for his work on interpolation, Nikolay Mitrofanovich Krylov or Mikhail Leonidovich Gromov?
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[A]: Nikolay Mitrofanovich Krylov

[Q]: Which of the plant types is commonly called Chilean firebush, Embothrium or Brunfelsia?
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[A]: Embothrium

[Q]: Who was born earlier, Edna Ferber or James Jones?
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[A]: Edna Ferber

[Q]: Were Gerald Durrell and Ellen Glasgow both writers?
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[A]:
yes