Robert Earl Maxwell
Robert Earl Maxwell( March 15, 1924 – November 20, 2010) was a United States District Judge of the United States District Court for the Northern District of West Virginia.
Bob Short
Robert Earl Short( July 20, 1917 – November 20, 1982) was an American businessman, sport teams owner and politician.
Robert Earl (U.S. Marine)
Robert Earl was a United States Marine lieutenant colonel and a deputy to Oliver North at the National Security Agency during the early 1980s.
Robert Earl (singer)
Robert Earl( born Monty Leigh, 17 November 1926) was an English singer of traditional pop music in the United Kingdom in the 1950s and 1960s, whose style was operatic, like fellow crooners David Whitfield, David Hughes and Edmund Hockridge.
He is the father of the businessman Robert Earl.
Robert Earl
Robert Earl( born 29 May 1951) is a British- American businessman who is the founder and CEO of Planet Hollywood, Chairman of the Planet Hollywood Resort& Casino in Las Vegas, and host of" Robert Earl's Be My Guest" television program which airs weekly on the Cooking Channel.
Robert Carter (priest)
Robert Earl Carter( July 27, 1927 – February 22, 2010) was an American Roman Catholic priest and LGBT rights activist.
Robert Earl Sawyer
Robert Earl Sawyer( June 5, 1923 – November 11, 1994) was an African- American playwright, director and actor.
Robert E. Brister
Robert Earl Brister was a United States Navy officer during World War II, who was presumed lost at sea.
Robert E. Wier
Robert Earl Wier( born 1967) is a United States District Judge of the United States District Court for the Eastern District of Kentucky.
Julian Krzyżanowski
Julian Krzyżanowski( 1892- 1976) was a Polish literature and folklore scholar.
Participant of the Warsaw Uprising.
Professor at the Warsaw University and others.
Recipient of Order of Polonia Restituta.

Question: Did Robert Earl (Singer) and Julian Krzyżanowski have the same nationality?
Answer: no