Read the following premise and answer if the hypothesis is true.
Pavel Sergeyevich Alexandrov (Russian: Па́вел Серге́евич Алекса́ндров ), sometimes romanized Paul Alexandroff or Aleksandrov (7 May 1896 – 16 November 1982), was a Soviet mathematician. He wrote about three hundred papers, making important contributions to set theory and topology.
Hypothesis: Pavel Sergeyevich Alexandrov was a Russian mathematician.. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
Yes
Yes.