# Radha Charan Gupta

Radha Charan Gupta ( born 1935 in Jhansi, Uttar Pradesh ) is an Indian historian of mathematics.

## Life

Gupta studied at the University of Lucknow, where in 1955 he earned his bachelor 's degree in 1957 and his master's degree in mathematics. After that, he was a lecturer at the Lucknow Christian College and from 1958 at the Birla Institute of Technology Ranchi. In 1982 he received a full professorship and in 1995 he retired.

Gupta addressed since the late 1960s with the history of mathematics, especially the development of Indian trigonometry, for example via Paramesvara and its approximation of the sine function and Govindasvamin and its interpolation of sine tables in the 8th century. In 1971 he received his doctorate in mathematics at the historian T. A. Saraswati Amma at the University of Ranchi.

Gupta also dealt with the early mathematics of the Jaina school ( to the 6th century ). In 2009 he was awarded the Kenneth O. May Prize. Since 1991 he is member of the Indian National Academy of Sciences. Since 1994 he has been president of the Society of mathematics teachers in India (which he is still 2009). In 1995 he became a corresponding member of the International Academy of History of Science. In 1979 he founded the magazine Ganita Bharati (Indian mathematics), whose editor and columnist he was.

## Writings

- Historiography of Mathematics in India in staves, Scriba (Editor): Writing the History of Mathematics, Birkhäuser 2002