Question: James Emanuel and Jonathan Kellerman, are of which nationality?

Context paragraphs:
When the Bough Breaks (1986 film): When the Bough Breaks is a 1986 television film directed by Waris Hussein and starring Ted Danson.  The screenplay by Phil Penningroth was adapted from a 1985 novel by Jonathan Kellerman, also titled "When the Bough Breaks".  Danson, who also co-produced, plays the crime-solving forensic psychologist Alex Delaware, a character who appears in a series of novels by Kellerman.

Therapy (Kellerman novel): Therapy is a mystery novel by American author Jonathan Kellerman

Survival of the Fittest (novel): Survival of the Fittest is the thirteenth novel by Jonathan Kellerman and is told through the first person point of view of Kellerman's main character, Dr. Alex Delaware.  LAPD Detective Milo Sturgis has asked Alex to help him with another whodunit.  It reached number two in the New York Times Best Seller list for paperbacks.

Rage (Kellerman novel): Rage is a mystery novel by American author Jonathan Kellerman

Blood Test (novel): Blood Test is the second novel by Jonathan Kellerman, published in 1986.  It is told from the first-person point of view of Dr. Alex Delaware, a child psychologist who is Kellerman's main character in the majority of his novels.  The novel also includes Delaware's best friend, LAPD Detective, Milo Sturgis.

James Emanuel: James Emanuel (born June 15, 1921 – September 28, 2013) was a poet and scholar from Alliance, Nebraska.  Emanuel, who is ranked by some critics as one of the best and most neglected poets of the 20th century, published more than 300 poems, 13 individual books, an influential anthology of African American literature, an autobiography, and more.  He is also credited with creating a new literary genre, jazz-and-blues haiku, often read with musical accompaniment.

Jesse Kellerman: Jesse Oren Kellerman (born September 1, 1978) is an American novelist and playwright.  He has published the novels: "Sunstroke" (2006), "Trouble" (2007), "The Genius" (2008), "The Executor" (2010), "I'll Catch You" (2012), and with his father, Jonathan Kellerman, "The Golem of Hollywood" (2014).  For his play, "Things Beyond Our Control" (2004) he was honored with a Princess Grace Award, which recognizes emerging talent in theater, dance, and film in the U.S.

Obsession (novel): Obsession is a mystery novel by American author Jonathan Kellerman.  It is the 21st novel in the Alex Delaware series.

Alex Delaware: Alex Delaware is a literary character created by Jonathan Kellerman.  The Alex Delaware detective series begins with "When the Bough Breaks", published in 1985.  Delaware appears in 32 of Kellerman's popular murder mysteries.  Kellerman sets the series in Los Angeles.  Delaware is a forensic psychologist; although Kellerman writes a back story in which Delaware practiced as a child psychologist.

Jonathan Kellerman: Jonathan Kellerman (born August 9, 1949) is an American psychologist, and Edgar and Anthony Award-winning author of numerous bestselling suspense novels.

Supporting paragraphs: James Emanuel Jonathan Kellerman
Answer: American