What country of origin does Alexei Tikhonov and Maria Petrova have in common?
Maria Petrova (figure skater) Maria Igorevna Petrova (Russian: Мария Игоревна Петрова ; born 29 November 1977) is a Russian pair skater. With partner Alexei Tikhonov, she is the 2000 World champion and a two-time (1999, 2000) European champion.
Peter Chernobrivets Peter Anatolievich Chernobrivets (Russian: Пётр Анато́льевич Чернобри́вец , born on 24 August 1965 in Leningrad, USSR) is a Russian musicologist, composer and lecturer.