Lekh Tandon was an Indian filmmaker and actor. He had directed numerous Bollywood movies and Indian TV Serials. He gained national fame due to success of his directorial ventures Professor, Prince, Ek Baar Kaho and Agar Tum Na Hote. His films Amrapali starring Vyjanthimala and Agar Tum Na Hote with Rajesh Khanna in the lead role are considered as classics. Later after 2000, he had acted in movies such as Swades, Rang De Basanti, Chennai Express and Chaarfutiya Chhokare. He was the brother of Urdu playwright Yograj Tandon.

Professor is a 1962 Hindi film, produced by F. C. Mehra and directed by Lekh Tandon. The film stars Shammi Kapoor, Kalpana, Bela Bose, Lalita Pawar, Tun Tun and Iftekhar. The film's music is by Shankar Jaikishan. The film became a box office hit. The film was remade in Tamil as Nadigan (1990), in Telugu twice as Bhale Mastaru (1969), Peddinti Alludu (1991) and in Kannada as Gopi Krishna The rights to this film are owned by Shah Rukh Khan's Red Chillies Entertainment.