Walter Ulfig
Walter Ulfig was a German composer of film scores.
Alonso Mudarra
Alonso Mudarra( c. 1510 – April 1, 1580) was a Spanish composer of the Renaissance, and also played the vihuela, a guitar- shaped string instrument.
He was an innovative composer of instrumental music as well as songs, and was the composer of the earliest surviving music for the guitar.
Abe Meyer
Abe Meyer( 1901 – 1969) was an American composer of film scores.
Bert Grund
Bert Grund( 1920–1992) was a German composer of film scores.
Sylvia Fine
Sylvia Fine (August 29, 1913October 28, 1991) was an American lyricist, composer, and producer, and the wife of the comedian Danny Kaye.
She and her future husband grew up within blocks of each other in Brooklyn, but they did not meet until 1939.
Thomas Morse
Thomas Morse( born June 30, 1968) is an American composer of film and concert music.
Amedeo Escobar
Amedeo Escobar( 1888–1973) was an Italian composer of film scores.
Eddie Floyd
Edward Lee Floyd( born June 25, 1937) is an American soul- R&B singer and songwriter, best known for his work on the Stax record label in the 1960s and 1970s including the number 1 R&B hit song" Knock on Wood".
Henri Verdun
Henri Verdun( 1895–1977) was a French composer of film scores.
Knock on Wood (film)
Knock on Wood is a 1954 comedy starring Danny Kaye and Mai Zetterling.
Other actors in the film include Torin Thatcher, David Burns, and Leon Askin.
The film was written and directed by Melvin Frank and Norman Panama, with songs by Kaye's wife, Sylvia Fine.

Question: What nationality is the composer of film Knock On Wood (Film)?
Answer: American