Homi Sethna

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Homi Nusserwanji Sethna
Born	(1923-08-24)24 August 1923 Bombay, Bombay Presidency, now Maharashtra
Died	5 September 2010(2010-09-05) (aged 87) Mumbai, Maharashtra
Nationality	•  British India (1923-1947) •  India (1947-2010)
Alma mater	University Department of Chemical Technology University of Michigan Ann Arbor
Known for	Indian nuclear programme Smiling Buddha Operation Shakti
Awards	Padma Shri (1959) Padma Bhushan (1966) Padma Vibhushan (1975)
Scientific career
Fields	Chemical Engineering
Institutions	Atomic Energy Commission of India

Homi Nusserwanji Sethna (24 August 1923 – 5 September 2010) was an Indian nuclear scientist and a chemical engineer, gaining international fame as the Chairman of the Atomic Energy Commission (India) during the time when the first nuclear test, codename Smiling Buddha in Pokhran Test Range in 1974 was conducted.^[1][2] He was the primary and central figure in India's civilian nuclear program as well as the construction of nuclear power plants. In 1991, he was appointed as Sheriff of Mumbai.

He was awarded the second highest civilian award the Padma Vibhushan in 1975, by Government of India.

Earlier in his career, he had full technical responsibility for setting up of the Thorium extraction plant at Alwaye, Kerala India, for separation of rare earth from monazite sands.