Noted Tamil film director, lyricist and writer KS Gopalakrishnan (86), who has worked with stalwarts like Sivaji Ganesan and Gemini Ganesan, passed away on Saturday. Apart from Tamil, Gopalakrishnan has also worked in Malayalam and Hindi films. Debuting as a director in 1962, he directed his last film 'Kaviya Thalaivan' in 1992. He directed and produced over 50 films.