Ray Kellogg
Edgar Ray Kellogg (November 15, 1905 - July 5, 1976) was an American special effects artist and film director from Iowa.
Anthony LaMolinara
Anthony LaMolinara is a film director, producer and special effects artist.
Rex Wimpy
Rex Wimpy( December 18, 1899 – December 29, 1972) was an American special effects artist and cinematographer.
He was nominated for an Oscar for Best Special Effects for the film" Air Force".
Donald Jahraus
Donald Jahraus( July 13, 1892 – April 3, 1963) was an American special effects artist.
He won an Academy Award for Best Special Effects and was nominated for two more in the same category.
Clarence Slifer
Clarence Slifer( August 31, 1904 – 1993) was an American special effects artist.
He won an Academy Award for Best Special Effects and was nominated for another one in the same category.
Paul Eagler
Paul Eagler (September 24, 1890 – September 30, 1961) was an American special effects artist.
He won an Academy Award for Best Special Effects and was nominated for another one in the same category.
Gordon Mills
Gordon William Mills( 15 May 1935 – 29 July 1986) was a successful London- based music industry manager and songwriter who was born in Madras, British India and grew up in Trealaw in the Rhondda Valley, South Wales.
He managed the careers of eminent vocalists Engelbert Humperdinck and Tom Jones, and co-wrote( with Les Reed) Jones's signature song," It's Not Unusual".
Jack Cosgrove (special effects artist)
Jack Cosgrove( June 9, 1902 – March 10, 1965) was an American special effects artist.
He was nominated for five Academy Awards for Best Special Effects.
David Allen (special effects artist)
David Allen was an American special effects artist.
He was nominated for an Academy Award for Best Special Effects at the 17th Academy Awards for work on the film" Secret Command".
Allen Hall (special effects artist)
Allen Hall( Born May 4, 1946) is an American special effects artist, who has won 2 Academy Awards as well as 2 BAFTA awards.

Question: Did Gordon Mills and Allen Hall (special effects artist) have the same nationality?
Answer: no