Khoo Boon Hui
Khoo Boon Hui , born in 1954 in Singapore, is the Senior Deputy Secretary of the Ministry of Home Affairs.
Mr Khoo Boon Hui succeeded Jackie Selebi and Arturo Verdugo (acting) as President of INTERPOL, from 2008 to 2012, and he was succeeded by Mireille Ballestrazzi.
He was formerly the Commissioner of the Singapore Police from July 1997 to January 2010.
Arturo Mercado
Arturo Mercado Chacón( born December 7, 1940) is a notable Mexican voice actor who has dubbed many movie and television characters to Spanish for the Latin American movie and television market since 1963.
He is the father of Carmen Mercado and Arturo Mercado Jr., both of whom are also voice actors.
Christer Ellefsen
Christer Ellefsen( born 3 August 1978) is a Norwegian football defender who played for Hønefoss BK in Norway.
He joined Hønefoss ahead of the 2000 season, having previously played for IF Birkebeineren, Mjøndalen IF as well as Vålerenga in the Norwegian Premier League.
He got only 2 Premier League games, in 1998 and 1999, but has played 227 league games for Hønefoss.
Alberto Da Rin
Alberto Da Rin( born 11 December 1939) is a retired Italian ice hockey player who competed at the 1964 Winter Olympics, alongside his elder brother Gianfranco.
He played 8 games and scored 5 goals.
His other two brothers Luigino and Arturo also played hockey.
Masquerade in Mexico
Masquerade in Mexico is a 1945 comedy film directed by Mitchell Leisen.
It stars Dorothy Lamour and Arturo de Córdova.
Studia Linguistica
Studia Linguistica:
A Journal of General Linguistics is a peer- reviewed academic journal of general linguistics established in 1947 and currently published by Wiley- Blackwell.
Its current editors- in- chief are Christer Platzack( Lund University) and Arthur Holmer.
Lorenzo Squinobal
Lorenzo" Renzo" Squinobal( born 15 January 1951) from Gressoney- Saint- Jean is an Italian mountain climber, mountain guide and ski mountaineer.
Together with his brothers Oreste and Arturo, he placed first in the mountain guides team category in the 1975 Trofeo Mezzalama edition, which was carried out as the first World Championship of Skimountaineering.
Together with Arturo and Danilo Barell he also won the 1978 Trofeo Mezzalama in the same category.
David Ji
David Longfen Ji is an American businessman who co-founded Apex Digital, an electronics manufacturer.
In 2004, he was arrested in China following a dispute with Sichuan Changhong Electric, a supplier owned by the city of Mianyang and the province of Sichuan.
Changhong accused him of defrauding them through bad checks.
Ji was taken, according to an account by his lawyer, to the senior management and told, "I decide whether you live or die."
He has been held in China without charges.
Ji's case highlighted an "implicit racism" in dealings with American businessmen.
As a U.S. citizen he was not granted the same treatment by authorities as non-ethnically Chinese businessmen sharing the same nationality.
Arturo Conturbia
Arturo Conturbia( born 4 February 1902, date of death unknown) was a Swiss athlete.
He competed in the men's discus throw at the 1928 Summer Olympics.
Christian Langaard
Christian Langaard (5 August 1849 – 31 August 1922) was a Norwegian industrialist and art collector.
He was born in Christiania as a son of brewery owner Mads Langaard and Lovise Jakobine Knudsen.
He was married to Ellevine Ellefsen and was the father of Johan Henrik Langaard.
Langaard assumed various leading positions in the brewery Frydenlund Bryggeri in Christiania.
He was a dedicated art collector, and his collection was eventually donated to the National Gallery of Norway, the Norwegian Museum of Decorative Arts and Design and the Norwegian Museum of Cultural History.
He was decorated Knight, First Class of the Order of St. Olav in 1904 and Commander, First Class in 1914.

Question: Are Christer Ellefsen and Arturo Conturbia of the same nationality?
Answer: no