R. D. Burman
Rahul Dev Burman (27 June 1939 – 4 January 1994) was an Indian music director.
From the 1960s to the 1990s, Burman composed musical scores for 331 films.
Burman did major work with Asha Bhosle (his wife) and Kishore Kumar and scored many of the songs that made these singers famous.
He has also scored many songs sung by Lata Mangeshkar.
Nicknamed Pancham, he was the only son of the composer Sachin Dev Burman.
He was mainly active in the Hindi film industry as a composer, and also provided vocals for a few compositions.
He served as an influence to the next generation of Indian music directors, and his songs continue to be popular in India and overseas.
Bert Grund
Bert Grund( 1920–1992) was a German composer of film scores.
Poo Mazhai Pozhiyuthu
Poo Mazhai Pozhiyuthu  is a 1987 Tamil romantic drama film written and directed by V. Azhagappan.
The film stars Vijayakanth, Nadhiya in lead roles with Rajeev, Senthil and Suresh in supporting roles.
The film's soundtrack was composed by R. D. Burman.
The film had average grosser at the box office.
Henri Verdun
Henri Verdun( 1895–1977) was a French 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.
Peter Hamel
Peter Hamel( 1911–1979) was a German screenwriter and a director of film and television.
He appeared as himself in the 1948 comedy" Film Without a Title".
He is the father of the composer Peter Michael Hamel.
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.
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.

Question: Who is the father of the composer of film Poo Mazhai Pozhiyuthu?
Answer: Sachin Dev Burman