Inivalappil Mani Vijayan (born 25 April 1969) is a former professional Indian football player. Playing in the striker position, he formed a successful attacking partnership with Baichung Bhutia for the Indian national team in the late nineties and early 2000s. Vijayan was crowned Indian Player of the Year in 1993, 1997 and 1999, the first player to win the award multiple times. He was also awarded the Arjuna award in 2003.
Vijayan started out as a seller of soda in the Thrissur Municipal Corporation Stadium, Kerala earning 10 paise (0.02 Cents) a bottle. Eventually he was chosen to play for the Kerala Police club and rose to become one of the top names in domestic football. A highly aggressive player, he eventually became the highest earner in Indian club football as well as a regular in the India team. He scored one of the fastest ever international goals in a match against Bhutan in the 1999 SAF Games, when he managed to do the same in 12 seconds. Faster international goals on record include ones by Davide Gualtieri in 8 seconds and Hakan Şükür in 11 seconds. Vijayan's talents attracted interest from clubs in Malaysia and Thailand, although he spent his entire career in India until retirement. By the end of his career he had scored 40 international goals in 79 matches for India. Since retiring from international football Vijayan has set up a football academy to train young players in his home town.Since a short gap presently he is playing for Kerala Police.
Mamannamana Vijayan (born 16 October 1941, Cherpu, Kerala) is an Indian structural biologist. His main area of research is protein structures. His contributions have been towards the structure and carbohydrate specificity of lectins and protein hydration. He has also contributed towards the area of structure and interactions of mycobacterial proteins and supramolecular association with reference to chemical evolution and origin of life. Vijayan did biological macromolecular crystallography in India.
He was awarded Padma Shri by the President of India in 2004. He was the President of the Indian National Science Academy from 2007–2010. Currently, he is DAE Homi Bhabha Professor at the Indian Institute of Science.
Vijayan obtained his Masters of Science degree in 1963 from Allahabad University. Thereafter, he received his Doctorate degree in X-ray crystallography from the Indian Institute of Science in 1967. During 1968–71, he was a post-doctoral fellow in Professor Dorothy Hodgkin’s research group at University of Oxford. During that period, he studied x-ray diffraction data for insulin crystals.