K. R. Parthasarathy (probabilist)

K. R. Parthasarathy
K. R. Parthasarathy
	Parthasarathy in 1975
Born	Kalyanapuram Rangachari Parthasarathy; 25 June 1936; Madras, Madras Presidency, British India (now Chennai, Tamil Nadu, India)
Died	14 June 2023 (aged 86); Delhi, India
Alma mater	Ramakrishna Mission Vivekananda College; Indian Statistical Institute;
Known for	Quantum stochastic calculus
Spouse	Shyama Parthasarathy
Children	2
Awards	Shanti Swarup Bhatnagar Award; TWAS Prize;
	Scientific career
Fields	Mathematics
Institutions	Indian Statistical Institute
Doctoral advisor	C. R. Rao

Kalyanapuram Rangachari Parthasarathy (25 June 1936 – 14 June 2023) was an Indian statistician who was professor emeritus at the Indian Statistical Institute and a pioneer of quantum stochastic calculus. Parthasarathy was the recipient of the Shanti Swarup Bhatnagar Prize for Science and Technology in Mathematical Science in 1977 and the TWAS Prize in 1996.

K. R. Parthasarathy
Parthasarathy in 1975
Born	Kalyanapuram Rangachari Parthasarathy (1936-06-25)25 June 1936 Madras, Madras Presidency, British India (now Chennai, Tamil Nadu, India)
Died	14 June 2023(2023-06-14) (aged 86) Delhi, India
Alma mater	Ramakrishna Mission Vivekananda College Indian Statistical Institute
Known for	Quantum stochastic calculus
Spouse	Shyama Parthasarathy
Children	2
Awards	Shanti Swarup Bhatnagar Award TWAS Prize
Scientific career
Fields	Mathematics
Institutions	Indian Statistical Institute
Doctoral advisor	C. R. Rao