Christian Malcolm
Christian Sean Malcolm( born 3 June 1979) is a retired Welsh athlete specialised in the 200 metres.
Nick De Luca
Nick De Luca( born 1 February 1984 in Dumfries, south west Scotland) is a retired, former Scottish international professional rugby union player.
David Jacobs (gymnast)
David Jacobs is a retired American trampoline gymnast.
Between 1966 and 1968 he won three world titles in the individual and synchronized trampoline events.
His son, also David Jacobs( c. 1973– 2008), was a personal trainer and convicted steroid dealer.
In October 2019, Jacobs was featured on American television show" Impractical Jokers".
Nick de Jong (footballer)
Nick de Jong( born 26 September 1989) is a Dutch former professional footballer who played as a forward.
Robert Mitchell (athlete)
Robert Mitchell( born 14 September 1980) is a Welsh athlete competing in high jump.
He finished seventh at the 2006 Commonwealth Games in Melbourne with a jump of 2.15 metres.
David Jacobs (Welsh athlete)
David Henry Jacobs (30 April 1888 – 6 June 1976) was a Welsh-born track and field sprinter.
He was the first British Jew to win an Olympic gold medal.
He was born in Cardiff, to John Jacobs (previously Yaakov), who was a general dealer from London.
His athletics career started in London with Herne Hill Harriers in 1908.
His interest in athletics was aroused by watching the 1908 Olympic Games.
At the 1912 Summer Olympics in Stockholm, Jacobs won a gold medal as the first leg in the British 4 × 100 m relay team, in spite of finishing second behind the United States in the semifinals.
The United States was later disqualified for a fault in passing the baton, the same mistake made in the finals by the world record holder and main favourite German team.
Jacobs also competed in the 100m and 200m individual events, but was eliminated in the semifinals.
Although many times a Welsh champion, Jacobs never succeeded in winning a AAA title.
He retired from active sport after World War I.
He died suddenly in Aberconwy, aged 88, while on holiday from his London home.
His body was returned to London, where he was buried in a Jewish cemetery, at East Ham.
At the time of his death he was Britain's oldest Olympic gold medalist.
Nick de la Hoyde
Nick de la Hoyde is an Australian singer, songwriter, and rapper from Sydney.
He has released several singles and one EP.
Nick de Firmian
Nicholas Ernest de Firmian( born July 26, 1957 in Fresno, California), is a chess grandmaster and three- time U.S. chess champion, winning in 1987( with Joel Benjamin), 1995, and 1998.
He also tied for first in 2002, but Larry Christiansen won the playoff.
He is also a chess writer, most famous for his work in writing the 13th, 14th, and 15th editions of the important chess opening treatise" Modern Chess Openings".
He has represented the United States at several Interzonals and played on the United States Olympiad teams of 1980, 1984, 1986, 1988, 1990, 1996, 1998, and 2000.
De Firmian earned the International Master title in 1979 and the GM title in 1985.
Beginning in the 1990s, he lived for many years in Denmark.
He currently resides in California.
He won the 1983 Canadian Open Chess Championship.
In 1986, he won the World Open and the first prize of$ 21,000, at that time a record for a Swiss system tournament.
De Firmian was a founding member of Prochess, a grandmaster advocacy group dedicated to promoting chess in the United States.
He has a degree in physics from the University of California, Berkeley.
Grandmaster de Firmian is a noted expert on the chess openings and in 1990 he revised" Modern Chess Openings", 13th edition(" MCO- 13").
In 1999 he wrote the 14th edition of" Modern Chess OpeningsMCO- 14"), which, along with" Nunn's Chess Openings NCO"), is considered an outstanding single volume opening reference in English.
He also helped prepare the chess opening book for the IBM Deep Blue team for its successful 1997 match with Garry Kasparov.
In 2006 he revised and expanded the classic 1921 book" Chess Fundamentals", by José Capablanca.
The edition was harshly criticized by chess historian Edward Winter, who claimed that de Firmian" destroyed" the book by changing Capablanca's writing and removing games from previous editions to include new games not played by Capablanca.
De Firmian also wrote the 15th edition of" MCO", which was published in April 2008.
Nick de Louw
Nick de Louw( born 9 February 1998) is a Dutch football player who plays for Helmond Sport.
Walter Korn
Walter Korn( 22 May 1908; Prague, Czechoslovakia – July 9, 1997; San Mateo, California, United States) was a Czech- born, naturalised American author of books and magazine articles about chess.
Despite his status as a writer, there is no known record of him playing tournament chess, and few chess players ever met him.
One of his few known games is a draw against a 13- year- old Gordon Crown, published in the April 1943 issue of" Chess".
Korn was a FIDE International Judge for chess compositions and contributed the entire topic of chess for the" Encyclopædia Britannica"( 1972).
Korn was the author of" Modern Chess Openings MCO")( revised editions 7 through 12, 13th revised by Nick de Firmian), which was considered an authoritative work on the openings of chess.
A new edition of" MCO" would come out every five years or so, and it was essential reading for tournament chess players.
In later years, Korn enlisted the help of top players, such as Grandmaster Larry Evans and Grandmaster Nick de Firmian, while continuing as a co-author.
Korn fled his homeland for London in 1939.
Several years later, in Germany, he directed the U.N. Relief and Rehabilitation Administration, helping to relocate concentration camp survivors.
In 1948, he served as national director of World ORT in Geneva.
He immigrated to the United States in 1950, and lived in Detroit, where he worked as business manager of the Jewish Community Center.
From 1960 to 1964, he lived in Israel, working for both the Joint Distribution Committee and the United Jewish Appeal.

Question: Are David Jacobs (Welsh athlete) and Nick de Firmian from the same country?
Answer: no