Shadow of the Vampire is a 2000 metafiction horror film directed by E. Elias Merhige, written by Steven Katz, and starring John Malkovich and Willem Dafoe.
 The film is a fictionalised account of the making of the classic vampire film "Nosferatu, eine Symphonie des Grauens", directed by F. W. Murnau, in which the film crew begin to have disturbing suspicions about their lead actor.
Homesteaders of Paradise Valley is a 1947 American Western film in the Red Ryder film series directed by R. G. Springsteen and written by Earle Snell.
 The film stars Allan Lane, Robert Blake, Martha Wentworth, Ann E. Todd, Gene Roth and John James.
 The film was released on April 1, 1947, by Republic Pictures.
He Rides Tall is a 1964 American Western film directed by R. G. Springsteen and written by Charles Irwin and Robert Creighton Williams.
 The film stars Tony Young, Dan Duryea, Jo Morrow, Madlyn Rhue, R. G. Armstrong and Joel Fluellen.
 The film was released on February 26, 1964, by Universal Pictures.
Suspect Zero is a 2004 American psychological thriller film starring Aaron Eckhart, Ben Kingsley, and Carrie-Anne Moss.
 The film, which was produced by Tom Cruise's co-owned company Cruise/Wagner Productions, was directed by E. Elias Merhige.
 It was a box office bomb failing to earn half of its estimated $27 million production costs at the box office.
Begotten is a 1990 American experimental dark fantasy horror film written, produced, edited and directed by E. Elias Merhige.
 It narrates the story of Genesis while re-imagining it.
Edmund Elias Merhige, known as E. Elias Merhige (born June 14, 1964), is an American film director born in Brooklyn.
Robert G. Springsteen (September 8, 1904 – December 9, 1989) was an American director of Hollywood B movies and television shows.
 He was most often credited on screen as R. G. Springsteen.
Launch Complex may refer to Nike launch sites (e.g., Wallops Flight Facility Launch Area 3), ABM launch sites (e.g., Stanley R. Mickelsen Safeguard Complex), ICBM launch complexes (e.g., Titan I Missile Complex 1A), Space Launch Complexes (e.g., Tilla Satellite Launch Centre), or to other types of launching sites with the name "Launch Complex":
In graph theory, a quotient graph "Q" of a graph "G" is a graph whose vertices are blocks of a partition of the vertices of "G" and where block "B" is adjacent to block "C" if some vertex in "B" is adjacent to some vertex in "C" with respect to the edge set of "G".
 In other words, if "G" has edge set "E" and vertex set "V" and "R" is the equivalence relation induced by the partition, then the quotient graph has vertex set "V"/"R" and edge set {(["u"], ["v"]) | ("u", "v") ∈ "E"("G")}.
Din of Celestial Birds is a 2006 American experimental short film written, produced and directed by E. Elias Merhige in cooperation with the Q6 production group, a collective of philosophers and artists.

Question: Are R. G. Springsteen and E. Elias Merhige of the same nationality?
Answer: yes