Isaak Dunayevsky
Isaak Osipovich Dunayevsky (also transliterated as Dunaevski or Dunaevsky; 25 July 1955) was a Soviet film composer and conductor of the 1930s and 1940s, who achieved huge success in music for operetta and film comedies, frequently working with the film director Grigori Aleksandrov.
He is considered one of the greatest Soviet composers of all time.
Many of his songs are very well known and held in high regard in Russia and the former Soviet Union.
Karen Clark (synchronized swimmer)
Karen Clark( born 1972) was a Canadian synchronized swimmer and Olympic medalist.
Thomas Williamson (Australian politician)
Thomas Michael Williamson( 1853 – 16 December 1921) was an Australian politician.
He was born in Sydney to typesetter William Williamson and Anna Maria Annesley, and grandson of Michael Williamson who both served as mayors of Redfern.
He attended Lyndhurst College and became a solicitor, and a partner in the firm Williamson& Williamson.
Around 1874 he married Annie McNamara, with whom he had seven children.
Thomas Michael Williamson served as an alderman and mayor of Redfern, Ermington and Rydalmere.
In 1885 he was elected to the New South Wales Legislative Assembly for Redfern, but he did not re-contest in 1887.
In 1896 he moved to Western Australia, where he was a commercial agent until his death in Perth in 1921.
Edith van Dijk
Edith van Dijk( born April 6, 1973 in Haastrecht) is a Dutch swimmer and 6- fold world champion.
She is Holland's most successful open water swimmer and long distance swimmer, whose career started in 1990 taking part in the Dutch IJsselmeermarathon.
Michael Williamson (swimmer)
Michael Williamson( born 5 February 1981) is an Irish former swimmer, who specialized in breaststroke events.
He won a bronze medal in the 200 m breaststroke at the 2003 Summer Universiade in Daegu, South Korea with a time of 2:15.
52. Williamson qualified for the men's 200 m breaststroke at the 2004 Summer Olympics in Athens, by achieving a FINA A- standard entry time of 2:14.18 from the British Olympic trials in Sheffield.
He challenged seven other swimmers on the sixth heat, including top medal favorites Brendan Hansen of the United States and Dániel Gyurta of Hungary.
He raced to sixth place by more than a second behind Gyurta's teammate Richárd Bodor, outside his entry time of 2:15.75.
Williamson failed to advance into the semifinals, as he placed twenty- second overall in the preliminaries.
Three months after the Games, Williamson announced his retirement from swimming, following a controversy which questioned and rattled his Olympic bid.
Craig Williamson
Craig Michael Williamson( born 1949), is a former South African Police major, who was exposed as a spy in 1980, and was involved in a series of state- sponsored overseas bombings, burglaries, kidnappings, assassinations and propaganda during the apartheid era.
Kelly Crowley
Kelly Crowley( born 1976) is an American Paralympic swimmer and cyclist.
Tetsuo Hamuro
Hamuro's wife was also a swimmer and a world champion in the masters category.
Bradley Fuller
Bradley Fuller is an American film and television producer.
He co-owns Platinum Dunes, partnering with both Michael Bay and Andrew Form.
Erik Andersson (water polo)
Klas Erik" Nello" Andersson( 17 March 1896 – 23 February 1985) was a Swedish swimmer and water polo player.
He competed in water polo at the 1920 and 1924 Summer Olympics and finished in third and fourth place, respectively.
In 1912 he was eliminated in the first round of the 100 m freestyle swimming event.
Andersson was the youngest among four siblings:
Robert was also a water polo player and swimmer and competed in the same team in 1920.
Adolf was a swimmer, and Selma was a diver.

Question: Are both Michael Williamson (Swimmer) and Isaak Dunayevsky from the same country?
Answer: no