N. K. Vishwanathan

N. K. Vishwanathan (died 25 March 2017) was an Indian film director and cinematographer who has worked on Tamil films. After beginning his career working as a cinematographer for Tamil films during the 1980s, he branched into film direction and made commercially successful films during the 1990s.
Career.
Vishwanathan appeared as the cinematographer for many films since the 1970s predominantly worked in films directed by Rama Narayanan and also helped recommend actor Sathyaraj for his first role in "Sattam En Kaiyil" (1978). At the insistence of Kamal Haasan, he directed "Sankarlal" (1981) when the film's director T. N. Balu died during the shoot. He began directing films in the 1990s, working on family dramas.
In the early 2000s, he worked on several devotional films as a cinematographer and developed his knowledge of CGI and VFX related scenes. Vishwanathan went on to direct "Jaganmohini" (2009), a remake of the 1978 film of the same name, with Namitha and Nila in the lead roles. Despite creating attention prior to release, it opened to mixed reviews, with a critic citing that the film felt "dated".
Death.
He died on 25 April 2017 due to cardiac arrest.