Eternally Yours (film)
Eternally Yours (aka Whose Wife) is a 1939 American comedy drama film produced and directed by Tay Garnett with Walter Wanger as executive producer, from a screenplay by C. Graham Baker and Gene Towne.
The film stars Loretta Young and David Niven, and also features a strong supporting cast including Broderick Crawford, Billie Burke, Eve Arden, ZaSu Pitts, and C. Aubrey Smith.
Composer Werner Janssen was nominated for the Academy Award for Best Music.
Werner Janssen
Hans-Werner Janssen (1 June 1899 – 19 September 1990) was an American conductor of classical music, and composer of classical music and film scores.
He was the first New York born conductor to lead the New York Philharmonic.
For his film work he was nominated for six Academy Awards.
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.
Theodred II (Bishop of Elmham)
Theodred II was a medieval Bishop of Elmham.
The date of Theodred's consecration unknown, but the date of his death was sometime between 995 and 997.
Henri Verdun
Henri Verdun( 1895–1977) was a French composer of film scores.
Thomas Morse
Thomas Morse( born June 30, 1968) is an American composer of film and concert music.
Walter Ulfig
Walter Ulfig was a German composer of film scores.
Abe Meyer
Abe Meyer( 1901 – 1969) was an American composer of film scores.
Tarcisio Fusco
Tarcisio Fusco was an Italian composer of film scores.
He was the brother of the composer Giovanni Fusco and the uncle of operatic soprano Cecilia Fusco.
Bert Grund
Bert Grund( 1920–1992) was a German composer of film scores.

Question: What is the date of death of the composer of film Eternally Yours (Film)?
Answer: 19 September 1990