Keshab Chandra Nag

Keshab Chandra Nag or K.C. Nag (10 July 1893 – 6 February 1987), was an Indian Bengali mathematician, author of various mathematics textbooks and educator.

Early life K. C. Nag was born in Nagpara, Gurap, Hooghly, Bengal, British India (present-day West Bengal, India) on the holy day of Rath Yatra, 10 July 1893. His Father was Raghunath Nag and Mother Khiroda Sundari Debi. He lost his father at an early age of three. He was only cared for by his mother.

Working life He started his career as Third Master in Bhastara Yojgeshshar Uccha Vidyalaya. He also did private tuitions when teaching there. His family was dependent on him but he resigned from his job to pursue higher studies. In 1917 he passed B.A with Mathematics and Sanskrit. He then received a job offer from Kishenganj High School as a Mathematics Teacher. He taught for some time in that school, after which he got another offer from Baharampur Krishnanath Collegiate School and joined the school as a mathematics teacher.