Shambhu Dayal Sinvhal (20 November 1923 - 27 May 2015) was an Indian mathematician, astronomist and a former vice chancellor of Kumaon University.[1] Born on 20 November 1923 at Indore in the largest Indian state of Madhya Pradesh to B. D. Sinvhal and Tara Devi, he started his career as a member of the faculty of the department of mathematics and astronomy at Lucknow University in 1946 where he worked till 1954.[1] During this period, he secured a doctoral degree (PhD) in mathematics from Lucknow in 1951.[1] In 1954, he resigned from the university to take up the post of an assistant astronomer at Uttar Pradesh State Observatory and became its director[2] in 1960, a post he held till his superannuation 1978.[1] He also worked as a professor at the University of Rourkee at the department of Earth Sciences.[3] In 1978, he was appointed as the vice chancellor of Kumaon University.[1]