Lee Jung-hyun (basketball)
Lee Jung-hyun( born March 3, 1987) is a South Korean basketball player for Jeonju KCC Egis and the South Korean national team.
He participated at the 2017 FIBA Asia Cup.
Cho Jung-hyun
Cho Jung-hyun( born 12 November 1969) is a South Korean footballer.
Lee Jung-eun (actress)
Lee Jung-eun( born January 23, 1970) is a South Korean actress.
Kim Jung-hyun (footballer, born 1990)
Kim Jung-hyun( 김정현; born January 3, 1990) is a South Korean football player.
Yoo Jung-hyun
Yoo Jung -hyun( born October 24, 1967) is a South Korean television personality and politician.
He was a cast member in the reality show and.
George Greenfield (gymnast)
George Greenfield( born May 5, 1948) is an American gymnast.
He competed in eight events at the 1972 Summer Olympics.
Lee Jung-soo
Lee Jung-soo( born 8 January 1980) is a South Korean footballer who plays as a central defender.
Lee Jung-jin
Lee Jung- jin,( born May 25, 1978) is a South Korean actor.
Lee Jung-hyun
Lee Jung-hyun( born February 7, 1980), also known by her occasional stage name Ava, is a South Korean pop singer and actress.
She was first recognized for her acting abilities with award- winning role in her first film and has been solidified as one of the top international acts from South Korea with her illustrious singing career.
She has been known as" the Techno Queen" as she introduced the techno music genre to Korea.
Lee is also known as" The Queen of Transformation" due to her changing new look for different songs.
Jung Hyun-cheol
Jung Hyun- cheol( born 26 April 1993) is a South Korean footballer who plays for FC Seoul.

Question: Did Lee Jung-Hyun and George Greenfield (Gymnast) have the same nationality?
Answer: no